Bincike da ci gaban dawo da ƙarfe a cikin batir lithium ion sharar gida

ଲେଖକ: ଆଇଫ୍ଲୋପାୱାର - Furnizor centrală portabilă

Makamashi da muhalli su ne manyan batutuwa guda biyu da suke tunkaho da su a karni na 21, bunkasa sabbin makamashi da albarkatu shi ne ginshiki da alkiblar ci gaban dan Adam mai dorewa. A cikin &39;yan shekarun nan, an yi amfani da batir lithium-ion da yawa saboda ingancin haske, ƙananan ƙararrawa, fitar da kai, babu tasirin ƙwaƙwalwar ajiya, kewayon zafin jiki mai yawa, cajin sauri da fitarwa, tsawon rayuwar sabis, kare muhalli da sauran fa&39;idodi. Whittingham na farko ya yi baturin lithium-ion na farko ta amfani da tsarin Li-TIS, a cikin 1990, ya haɓaka fiye da shekaru 40 tun 1990, ya sami babban ci gaba.

Bisa kididdigar da aka yi, jimillar batirin lithium-ion a cikin kasata a watan Yunin 2017 ya kai biliyan 8.99, tare da karuwar adadin da ya kai kashi 34.6%.

Batir na duniya, lithium-ion a cikin filin wutar lantarki sun shiga matakin aikace-aikacen injiniya, kuma wasu kamfanoni da sassan soja a duniya sun haɓaka a sararin samaniya don batir lithium-ion, irin su Amurka, National Aeronautics and Space Administration (NASA), Kamfanin batir EAGLE -Picher, France SAFT, Japan JAXA, da dai sauransu. Tare da faffadan aikace-aikacen batirin lithium ion, ana samun ƙarin adadin batir ɗin sharar gida. Ana sa ran kafin da kuma bayan 2020, ƙasata kawai tsaftataccen wutar lantarki (ciki har da plug-in) motar fasinja da batirin lithium abin hawa na fasinja shine 12-77 miliyan T.

Duk da cewa batirin lithium-ion ana kiransa Green baturi, amma babu wani abu mai cutarwa kamar Hg, PB, sai dai ingantaccen kayansa, maganin electrolyte, da sauransu, wanda ke haifar da gurɓata yanayi mai yawa, kuma yana haifar da ɓarnawar albarkatu. Sabili da haka, sake nazarin matsayin tsarin dawo da jiyya na batir lithium-ion sharar gida da waje, da kuma taƙaita jagorancin ci gaba na tsarin dawo da baturi na lithium-ion, yana da mahimmanci a aikace.

Wani muhimmin bangaren baturi na lithium-ion ya hada da gidaje, electrolyte, anode material, cathode material, adhesive, foil jan, da foil aluminum, da makamantansu. Daga cikin su, CO, Li, Ni taro juzu&39;i ne 5% zuwa 15%, 2% zuwa 7%, 0.5% zuwa 2%, kazalika da karfe abubuwa kamar Al, Cu, Fe, da darajar da muhimmanci aka gyara, da anode The abu da cathode kayan lissafin game da 33% da kuma 10%, da electrolyte da kuma mutunta 31% diaphragm sun lissafta .

Mahimman karafa da aka kwato a cikin batir lithium ion sharar gida sune Co da Li, muhimmin fim ɗin cobalt lithium mai mahimmanci akan kayan anode. Musamman ma a cikin albarkatun cobalt na ƙasata ba su da ɗanɗano kaɗan, haɓakawa da amfani yana da wahala, kuma yawan adadin cobalt a cikin batir lithium-ion ya kai kusan kashi 15%, wanda shine sau 850 na raka ma&39;adinan cobalt. A halin yanzu, aikace-aikacen LiCoO2 shine baturin lithium ion baturi mai kyau, wanda ya ƙunshi lithium cobalt organte, lithium hexafluorophosphate, Organic carbonate, carbon abu, jan karfe, aluminum, da dai sauransu.

, an nuna mahimman abun ciki na ƙarfe a cikin Table 1. Yin amfani da tsarin jika don kula da batir lithium-ion sharar gida a halin yanzu ana ƙara yin nazari akai-akai, kuma ana nuna tsarin tafiyarwa a cikin hoto 1. Muhimmiyar ƙwarewa matakai 3: 1) Latsa baturin lithium ion taimako da aka dawo dashi don fitarwa gaba ɗaya, rarrabuwa mai sauƙi, da sauransu.

Ana narkar da kayan lantarki da aka samu bayan an riga an yi magani, ta yadda nau&39;ikan karafa daban-daban da mahadi a cikin nau&39;in ions a cikin ruwan leaching; 3) Rabuwa da dawo da ƙarfe mai mahimmanci a cikin maganin leaching, wannan mataki shine mabuɗin don ɓata tsarin kula da batir lithium ion Hakanan shine mayar da hankali da matsalolin masu bincike na shekaru masu yawa. A halin yanzu, hanyar rabuwa da farfadowa yana da mahimmanci tare da cirewar ƙarfi, hazo, electrolysis, hanyar musayar ion, salting da etiology. 1.

1, pre-electric sharar gida da sauran wutar lantarki, da saura bangaren baturi ion, an cire sosai kafin aiki, in ba haka ba sauran makamashi zai mayar da hankali a kan wani babban adadin zafi, wanda zai iya haifar da illa kamar aminci hatsarori. Hanyar fitar da batir lithium ion sharar gida za a iya kasu kashi biyu, wato fitar da jiki da kuma fitar da sinadarai. Daga cikin su, fitar da jiki akwai fitar da gajeriyar zagayawa, yawanci ana amfani da ruwa nitrogen da sauran abubuwan daskarewa don sanyin zafi, sannan a danna ramin tilas.

A cikin farkon kwanakin, Umicore, US Umicore, TOXCO yana amfani da nitrogen mai ruwa don fitar da baturin lithium ion sharar gida, amma wannan hanya tana da girma ga kayan aiki, ba dace da manyan aikace-aikacen masana&39;antu ba; Fitar da sinadarai yana cikin maganin gudanarwa (ƙarin Saki ragowar makamashi a cikin electrolysis a cikin hanyoyin NaCl. Da farko, Nan Junmin, da dai sauransu, sun sanya batirin lithium ion sharar gida na monomer a cikin kwandon karfe na ruwa da wakili na lantarki, amma tunda electrolyte na baturin lithium ion yana dauke da LiPF6, abin da ya faru ya bayyana a cikin hulɗa da ruwa.

HF, yana kawo lahani ga muhalli da masu aiki, don haka ya zama dole don yin nutsewar alkaline nan da nan bayan fitarwa. A cikin &39;yan shekarun nan, Song Xiuling, da dai sauransu. Matsakaicin 2g / L, lokacin fitarwa shine 8h, ƙarfin ƙarfafa ƙarshe ya ragu zuwa 0.

54V, hadu da kore ingantaccen buƙatun fitarwa. Ya bambanta, farashin fitar da sinadarai yana da ƙasa, aikin yana da sauƙi, zai iya saduwa da aikace-aikacen da aka yi amfani da shi, amma electrolyte yana da mummunar tasiri a kan gidaje da kayan aiki na karfe. 1.

2, tsarin karya rabuwa da rarrabuwa yana da mahimmanci don ware kayan lantarki ta hanyar murkushe matakai da yawa, nunawa, da dai sauransu. ta hanyar murkushe matakai da yawa, dubawa, da sauransu. ta hanyar murkushe matakai da yawa, dubawa, da sauransu.

, don sauƙaƙe amfani da wuta na gaba. Hanyar, hanyar rigar, da dai sauransu. Hanyar rabuwa da injina ɗaya ce daga cikin hanyoyin da ake amfani da ita gabaɗaya, mai sauƙin cimma manyan matakan dawo da masana&39;antu na batir lithium-ion sharar gida.

SHIN et al., Ta hanyar murkushewa, nunawa, rarrabuwar maganadisu, ƙwanƙwasa mai kyau da tsarin rarrabuwa don cimma wadatar rabawar LiCoO2. Sakamakon ya nuna cewa ana iya inganta dawo da ƙarfe da aka yi niyya a ƙarƙashin yanayi mafi kyau, amma tun da tsarin baturin lithium ion yana da wuyar gaske, yana da wuya a raba sassan gaba ɗaya ta wannan hanya; Li et al.

, Yi amfani da sabon nau&39;in hanyar rabuwa na inji, haɓaka haɓakar farfadowa na CO yana rage yawan amfani da makamashi da gurbatawa. Game da rarraba kayan lantarki, an wanke shi kuma an motsa shi a cikin wanka na ruwa na 55 ¡ã C, kuma an yi amfani da cakuda don 10 min, kuma sakamakon 92% electrode abu ya rabu da karfe na ruwa na yanzu. A lokaci guda, ana iya dawo da mai tarawa na yanzu a cikin nau&39;i na karfe.

1.3, tsarin maganin zafi mai zafi yana da mahimmanci don cire kwayoyin halitta, toner, da dai sauransu, toner, da dai sauransu.

na batir lithium ion sharar gida, da kuma rabuwa don kayan lantarki da ruwan ruwa na yanzu. Hanyar maganin zafi na yanzu shine mafi yawan zafin jiki na maganin zafi na al&39;ada, amma akwai matsala na ƙananan rabuwa, gurɓataccen muhalli, da dai sauransu, don ƙara inganta tsarin, a cikin &39;yan shekarun nan, bincike yana da yawa.

SUN et al., Babban zafin jiki na pyrolysis, kayan baturi mai sharar gida ana ɗaukar su a cikin tanderun wuta kafin a rushe, kuma zafin jiki shine 10 ¡ã C zuwa 600 ¡ã C na minti 30, kuma kwayoyin halitta suna lalacewa a cikin karamin ruwa ko gas. Ana iya amfani da shi don albarkatun albarkatun sinadarai dabam.

A lokaci guda, Layer LiCoO2 ya zama sako-sako da sauƙi don rabuwa da foil na aluminium bayan dumama, wanda ke da fa&39;ida ga ƙoshin ƙarfe na ƙarshe na inorganic. Maganin sharar batirin lithium ion tabbatacce abu. Sakamakon ya nuna cewa lokacin da tsarin bai wuce 1 ba.

0 kPa, zafin amsawa shine 600 ¡ã C, lokacin amsawa shine 30 min, mai ɗaure kwayoyin halitta na iya zama mai cirewa sosai, kuma yawancin ingantattun kayan aiki na lantarki an cire su daga foil na aluminium, foil ɗin aluminium yana ci gaba da kasancewa. Idan aka kwatanta da fasaha na maganin zafi na al&39;ada, za a iya dawo da pyrolysis mai zafi mai zafi daban, inganta ingantaccen amfani da albarkatun, yayin da yake hana iskar gas mai guba daga kwayoyin halitta daga lalata don haifar da gurɓataccen yanayi, amma kayan aiki yana da girma, hadaddun, haɓaka masana&39;antu yana da wasu iyakancewa. 1.

4. Sau da yawa PVDF akan narkar da na&39;urar lantarki mai ƙarfi na ƙwanƙwasa kwayoyin halitta mai ƙarfi, ta yadda ingantaccen kayan lantarki ya keɓe daga foil ɗin aluminum na ruwa na yanzu. Liang Lijun ya zaɓi nau&39;ikan kaushi iri-iri na polar Organic don narkar da kayan lantarki mai kyau, kuma ya gano cewa mafi kyawun sauran ƙarfi shine N-methylpyrrolidone (NMP), kuma ana iya yin ingantaccen kayan lantarki mai aiki LIFEPO4 da cakuda carbon a ƙarƙashin yanayi mafi kyau.

An rabu gaba daya daga bangon aluminum; Hanisch et al, yana amfani da hanyar rushewa don zaɓin lantarki sosai bayan maganin zafi da rabuwa da matsa lamba na inji da tsarin nunawa. An yi maganin lantarki a 90 ¡ã C a cikin NMP na 10 zuwa 20 min. Bayan maimaita sau 6, mai ɗaure a cikin kayan lantarki zai iya narke gaba ɗaya, kuma tasirin rabuwa ya fi kyau sosai.

Ana kwatanta solubility da sauran hanyoyin da aka riga aka yi amfani da su, kuma aikin yana da sauƙi, kuma yana iya inganta tasirin rabuwa da farfadowa, kuma yanayin aikace-aikacen masana&39;antu ya fi kyau. A halin yanzu, NMP yawanci yana amfani da ɗaure, wanda ya fi kyau, amma saboda rashin farashi, maras kyau, ƙarancin guba, da dai sauransu, zuwa wani ɗan lokaci, zuwa wani matsayi, aikace-aikacen haɓakar masana&39;antu.

A narkar da leaching tsari ne don narke da lantarki abu samu bayan pretreatment, sabõda haka, da karfe abubuwa a cikin electrode abu a cikin bayani a cikin nau&39;i na ions, sa&39;an nan selectively rabu da daban-daban rabuwa dabaru da recovers muhimmanci karfe CO, Li et al. Hanyoyin narkar da leach mai mahimmanci sun haɗa da leaching sunadarai da leaching na halitta. 2.

1, sinadarai leaching na al&39;ada sinadari leaching Hanyar ne a cimma narkar da leaching na electrode kayan ta hanyar nutsewar acid ko alkaline nutse, kuma yana da muhimmanci a hada da mataki leaching hanya da kuma mataki biyu leaching hanya. Hanyar leaching mataki ɗaya yawanci yana amfani da inorganic acid HCl, HNO3, H2SO4, da makamantansu don narkar da kayan lantarki kai tsaye zuwa kayan lantarki, amma irin wannan hanyar za ta sami iskar gas mai cutarwa kamar CL2, SO2, ta yadda maganin iskar gas ɗin ke shayewa. Binciken ya gano cewa an saka H2O2, Na2S2O3 da sauran abubuwa masu ragewa kamar H2O2, Na2S2O3 a cikin maganin leaching, kuma ana iya magance wannan matsala yadda ya kamata, kuma CO3 + yana da sauƙin narkar da CO2 + a cikin ruwan leach, ta yadda za a ƙara yawan leaching.

Pan Xiaoyong et al. Ya karɓi tsarin H2SO4-Na2S2O3 don fitar da kayan lantarki, warewa da murmurewa CO, Li. Sakamakon ya nuna cewa H + maida hankali na 3 mol / L, Na2S2O3 maida hankali na 0.

25 mol / L, ruwa mai ƙarfi rabo 15: 1, 90 ¡ã C, CO, Li leaching rate ya fi 97%; Chen Liang et al, H2SO4 + H2O2 an leaching Leaching abu mai aiki. Sakamakon ya nuna cewa rabon ruwa mai ƙarfi shine 10: 1, H2SO4 maida hankali 2.5 mol / l, H2O2 ya ƙara da 2.

0 ml / g (foda), zazzabi 85 ¡ã C, lokacin leaching na 120 min, Co, Ni da Mn, 97%, bi da bi, 98% da 96%; Lu Xiuyuan et al. Don leaching amfani da H2SO4 + Taso tsarin wakili don fitar da sharar gida high-nickel lithium-ion baturi tabbatacce electrode abu (lini0.6CO0.

2Mn0.2O2), yayi nazari daban-daban masu rage rage (H2O2, glucose da Na2SO3) akan tasirin leaching karfe. tasiri.

Sakamakon ya nuna cewa a ƙarƙashin yanayi mafi dacewa, ana amfani da H2O2 azaman wakili mai ragewa, kuma tasirin leaching na ƙarfe mai mahimmanci ya fi dacewa 100%, 96.79%, 98.62%, 97%, bi da bi.

M ra&39;ayi, ta yin amfani da acid-rage jamiái a matsayin leaching tsarin, shi ne na al&39;ada leaching tsari na halin yanzu masana&39;antu jiyya na sharar gida baturi lithium-ion saboda fa&39;idodin na kai tsaye acid nutsewa, mafi girma leaching kudi, sauri dauki kudi, da dai sauransu. Hanyar leaching mataki biyu ita ce yin leaching na alkali bayan an fara magani mai sauƙi, ta yadda Al a cikin nau&39;in NaAlO2 a cikin nau&39;in NaAlO2, sannan a ƙara mai ragewa H2O2 ko Na2S2O3 azaman maganin leaching, ana samun ruwan leaching yana daidaitawa ta hanyar daidaita pH, zaɓin daidaitawa Al, Fe da tattarawa don ƙarawa uwar lilin. da rabuwa. Deng Chao Yong et al.

An gudanar da shi ta amfani da maganin 10% NaOH, kuma ƙimar Al leaching shine 96.5%, 2 mol / L H2SO4 da 30% H2O2 sun kasance nutsewar acid, kuma ƙimar leaching CO shine 98.8%.

Ka&39;idodin leaching shine kamar haka: 2licoo2 + 3H2SO4 + H2O2→Li2SO4 + 2CoSO4 + 4H2O + O2 za a samu ta hanyar maganin leaching da aka samu, tare da haɓakar matakai da yawa, kuma dawo da CO na ƙarshe ya kai 98%. Hanyar yana da sauƙi, mai sauƙin aiki, ƙananan lalata, ƙarancin ƙazanta. 2.

2, Dokar Leaching Na Halittu Kamar yadda ci gaban fasaha, fasahar biometrial tana da ingantattun hanyoyin haɓakawa da kuma buƙatun aikace-aikace saboda ingantaccen kariyar muhalli, ƙarancin farashi. Hanyar leaching nazarin halittu ta dogara ne akan iskar oxygenation na kwayoyin cuta, don haka karfe a cikin bayani a cikin nau&39;i na ions. A cikin &39;yan shekarun nan, wasu masu bincike sun yi nazarin ƙarfe mai tsada a cikin amfani da hanyoyin leaching na halitta.

MISHRA et al. Yin amfani da inorganic acid da eosubric acid oxide oxide bacillus don fitar da batir lithium ion sharar gida, ta amfani da abubuwan S da Fe2 + azaman makamashi, H2SO4 da FE3 + da sauran metabolites a cikin matsakaicin leaching, da amfani da waɗannan metabolites don narkar da tsohon baturin lithium Ion. Binciken ya gano cewa adadin narkar da halittu na CO ya fi Li sauri.

Fe2 + na iya haɓaka haɓakar haɓakar biota, FE3 + da ƙarfe a cikin ragowar. Babban rabo mai ƙarfi na ruwa, watau

, Sabuwar haɓakar haɓakar ƙarfe na ƙarfe, na iya hana haɓakar ƙwayoyin cuta, ba ta da amfani ga rushewar ƙarfe; MarcináKováEtOAc. Matsakaicin abinci mai gina jiki ya ƙunshi dukkan ma&39;adanai da ake buƙata don haɓakar ƙwayoyin cuta, kuma ana amfani da matsakaicin ƙarancin abinci azaman makamashi a cikin H2SO4 da element S. Binciken ya gano cewa a cikin yanayi mai wadataccen abinci mai gina jiki, yawan leaching na Li da CO ya kasance 80% da 67%, bi da bi; a cikin ƙarancin abinci mai gina jiki, kawai 35% Li da 10.

An narkar da 5% CO. Hanyar leaching nazarin halittu idan aka kwatanta da na gargajiya acid-rage wakili leaching tsarin, yana da amfani da low cost da kore muhalli kariya, amma leaching kudi na muhimmanci karafa (CO, Li et al.) Yana da in mun gwada da low, da kuma manyan-sikelin aiki na masana&39;antu yana da wasu gazawar.

3.1, sauran ƙarfi hakar Hanyar sauran ƙarfi hakar Hanyar ne na yanzu tsari na rabuwa da dawo da karfe abubuwa na sharar gida baturi lithium ion, wanda shi ne samar da wani barga hadaddun tare da manufa ion a cikin leaching ruwa, da kuma amfani da dace Organic kaushi. Rabe, don fitar da karfe da fili.

Yawancin abubuwan da aka yi amfani da su suna da mahimmanci ga Cyanex272, Acorgam5640, P507, D2EHPA da PC-88A, da dai sauransu. Swain et al. Yi nazarin tasirin CYANEX272 mai cirewa a kan CO, Li.

Sakamakon ya nuna cewa ƙaddamar da 2.5 zuwa 40 mol / m3, CO ya karu daga 7.15% zuwa 99.

90%, kuma hakar Li ya karu daga 1.36% zuwa 7.8%; maida hankali na 40 zuwa 75 mol / m3, CO hakar kudi tushe The hakar kudi na Li an sabon kara zuwa 18%, kuma lokacin da maida hankali ne mafi girma fiye da 75 mol / m3, da rabuwa factor CO rage maida hankali, matsakaicin rabuwa factor ne 15641.

Bayan hanyar mataki biyu na Wu Fang, bayan an fitar da tsantsa daga cikin P204, an fitar da P507 daga CO, Li, sannan aka juya H2SO4, kuma an ƙara abin da aka samo zuwa Na2CO3 mai zaɓin Li2CO3. Lokacin da pH ke 5.5, CO, Li rabuwa factor ya kai 1×105, CO dawo da sama da 99%; kang et al.

Daga himma 5% zuwa 20% CO, 5% ~ 7% Li, 5% ~ 10% Ni, 5% Organic sunadarai da kuma 7% filastik sharar gida lithium ions Cobalt sulfate aka dawo dasu a cikin baturi, da CO maida hankali ne 28 g / L, da pH aka gyara zuwa 6.5 zaunar da karfe ion impurities kamar Cu. Sa&39;an nan kuma zaɓin cire Co daga tsattsauran lokaci mai ruwa ta Cyanex 272, lokacin pH <6, the separation factor of CO / Li and CO / Ni is close to 750, and the total recovery of CO is about 92%.

Ana iya gano cewa ƙaddamar da mai cirewa yana da tasiri mai yawa akan yawan haɓakar hakar, kuma ana iya samun rabuwa da mahimmancin ƙarfe (CO da Li) ta hanyar sarrafa pH na tsarin hakar. A kan wannan, ana bi da amfani da tsarin hakar gauraye tare da batir lithium-ion sharar gida, wanda zai iya cimma nasarar zaɓin zaɓi da dawo da mahimman ions ƙarfe. PRANOLO et al, tsarin hakowa gauraye da aka zaɓa aka gano Co da Li a cikin sharar da batir lithium-ion.

Sakamakon ya nuna cewa 2% (rabin girma) ACORGAM 5640 an ƙara zuwa 7% (rabi&39;a rabo) Ionquest801, kuma pH na hakar Cu za a iya ragewa, kuma Cu, Al, FE za a fitar da shi a cikin tsarin kwayoyin ta hanyar tsarin pH, da Aiwatar da Rarraba tare da Co, Ni, Li. Ana sarrafa pH na tsarin a 5.5 zuwa 6.

0, da Co zaɓaɓɓen hakar CO zaɓaɓɓen hakar, Ni da Li a cikin ruwan hakar sun kasance marasa mahimmanci; Zhang Xinle et al. Ana amfani dashi don amfani da nutsewar acid - hakar - hazo Co a cikin baturin ion. Sakamakon ya nuna cewa tsoma acid shine 3.

5, da extractant P507 da Cyanex272 girma rabo na 1: 1 an cire, da CO tsantsa ne 95.5%. Yin amfani da H2SO4 na gaba mai dacewa, da pellet na anti-hasken pH shine 4 min, kuma yawan hazo na CO na iya kaiwa 99.

9%. M view, da sauran ƙarfi hakar hanya yana da abũbuwan amfãni daga low makamashi amfani, mai kyau rabuwa sakamako, acid immersion-narke hakar hanya a halin yanzu na al&39;ada tsari na sharar gida lithium ion batura, amma kara ingantawa na extractors da kuma hakar yanayi Yana da na yanzu bincike mayar da hankali a cikin wannan filin don cimma mafi inganci da muhalli abokantaka da kuma sake yin amfani da effects. 3.

2, hanyar hazo shine shirya batir lithium-ion sharar gida. Bayan narkar da, da CO, Li bayani ne samu, da kuma precipitant aka kara zuwa hazo, da muhimmanci manufa karfe Co, Li, da dai sauransu, don cimma rabuwa da karafa.

SUN et al. An jaddada ta yin amfani da H2C2O4 a matsayin wakili na leaching yayin da hazo na CO ions a cikin bayani a cikin nau&39;i na COC 2O4, sa&39;an nan kuma Al (OH) 3 da Li2CO3 aka hazo ta ƙara precipitant NaOH da Na2CO3. Rabuwa; Pan Xiaoyong et al a kusa da PH an daidaita shi zuwa 5.

0, wanda zai iya cire yawancin Cu, Al, Ni. Bayan ƙarin hakar, 3% H2C2O4 da cikakken Na2CO3 mazaunin COC2O4 da Li2CO3, dawo da CO ya fi 99% Adadin dawo da Li ya fi 98%; Li Jinhui da aka riga aka shirya bayan shirye-shiryen batir lithium ion sharar gida, an gwada girman barbashi kasa da 1.43 mm tare da maida hankali na 0.

5 zuwa 1.0 mol / L, kuma ma&39;aunin ruwa mai ƙarfi shine 15 zuwa 25 g / L. 40 ~ 90min, sakamakon COC2O4 precipitate da Li2C2O4 leaching bayani, COC2O4 na ƙarshe da Li2C2O4 sun wuce 99%.

Hazo yana da girma, kuma adadin dawo da mahimman karafa yana da yawa. PH mai sarrafawa zai iya cimma rabuwa da karafa, wanda ke da sauƙin cimma masana&39;antu, amma yana da sauƙin tsoma baki tare da ƙazanta, wanda yake da ƙananan ƙananan. Sabili da haka, maɓalli don aiwatarwa shine zaɓi wakilin hazo mai zaɓi da ƙara haɓaka yanayin tsari, sarrafa oda na hazo ion ƙarfe na sirri, don haka inganta tsabtar samfurin.

3.3. Hanyar electrolytic electrolytic hanyar dawo da valvily karfe a cikin sharar batirin lithium ion baturi, hanya ce ta sinadarai na electrolysis a cikin kayan lantarki na leaching ruwa, ta yadda za a rage shi zuwa guda ko laka.

Kada ka ƙara wasu abubuwa, ba shi da sauƙi don gabatar da ƙazanta, zai iya samun samfurori masu tsabta, amma a cikin yanayin ions masu yawa, jimillar jimillar ta faru, ta haka ne rage girman samfurin, yayin da yake cinye makamashin lantarki. Myung et al. Waste lithium ion baturi tabbatacce abu leaching ruwa ga HNO3 magani ne danye, kuma cobalt aka dawo da tare da akai m hanya.

A lokacin tsarin electrolysis, O2 ya rage zuwa NO3 - raguwar ragewa, an ƙara OH-tattara, kuma CO (OH) 2 an haifar da shi a saman Ti cathode, kuma ana samun maganin zafi ta CO3O4. Tsarin halayen sinadaran shine kamar haka: 2H2O + O2 + 4E→4OHNO3- + H2O + 2E→NO2- + 2OHCO3 ++ E→CO2 + CO2 ++ 2OH- / TI→CO (OH) 2 / Ti3CO (OH) 2 / Ti + 1 / 2O2→CO3O4 / TI + 3H2OFREITAS, da dai sauransu, ta amfani da yuwuwar ci gaba da fasaha mai ƙarfi don dawo da CO daga ingantaccen abu na batir lithium ion sharar gida.

Sakamakon ya nuna cewa ingancin cajin CO yana raguwa yayin da pH ya karu, pH = 5.40, yuwuwar -1.00V, yawan cajin 10.

0c / cm 2, ƙimar cajin shine matsakaicin, ya kai 96.60%. Tsarin halayen sinadaran shine kamar haka: CO2 ++ 2OH-→CO (OH) 2 (S) CO (OH) 2 (S) + 2E→CO (S) + 2OH-3.

4, Hanyar musayar ion musayar hanyar ion shine bambanci a cikin ƙarfin adsorption na daban-daban na ion ion gidaje kamar Co, Ni, fahimtar rabuwa da hakar karafa. FENG et al. Ƙara zuwa dawo da CO daga tabbataccen lantarki abu H2SO4 leaching ruwa.

Nazari akan adadin dawo da cobalt da kuma rabuwa da sauran ƙazanta daga abubuwa kamar pH, sake zagayowar leach. Sakamakon ya nuna cewa an yi amfani da resin TP207 don sarrafa pH = 2.5, ana kula da wurare dabam dabam na 10.

Adadin cire Cu ya kai kashi 97.44%, kuma dawo da cobalt ya kai kashi 90.2%.

Hanyar tana da zaɓi mai ƙarfi na ion mai niyya, tsari mai sauƙi da sauƙin aiki, ana fitar da shi don hakar farashin ƙarfe mai canzawa a cikin batirin lithium ion sharar gida, wanda ya ba da sabbin hanyoyin, amma saboda ƙimar ƙimar ƙima, aikace-aikacen masana&39;antu. 3.5, saltingation na salinization shi ne don rage dielectric akai na leaching ruwa ta ƙara cikakken (NH4) 2SO4 bayani da low dielectric m sauran ƙarfi a sharar gida lithium ion baturi leaching bayani, game da shi rage dielectric akai na leaching ruwa, da cobalt gishiri ne precipitated daga mafita.

Hanyar yana da sauƙi, mai sauƙi don aiki da ƙananan, amma a ƙarƙashin yanayi na nau&39;in nau&39;in ions na ƙarfe, tare da hazo na sauran gishiri na ƙarfe, don haka rage tsabtar samfurin. Jin Yujian et al, bisa ga ka&39;idar zamani na maganin electrolyte, amfani da batir lithium ion salinated. Cikakken (NH4) 2SO4 mai ruwa da ruwa da kuma anhydrous ethanol an kara su daga HCl leaching ruwa daga LiiCoO2 a matsayin tabbatacce electrode, da kuma lokacin da bayani, cikakken (NH4) 2SO4 aqueous bayani da anhydrous ethanol kasance 2: 1: 3, CO2 + hazo rate Fiye da 92%.

Sakamakon salted samfurin shine (NH4) 2CO (SO4) 2 da (NH4) Al (SO4) 2, wanda ke amfani da gishiri da aka raba don raba gishiri guda biyu, don haka samun samfurori daban-daban. Game da hakowa da rarrabuwa na ƙarfe mai mahimmanci a cikin sharar batirin lithium ion baturi, abin da ke sama shine ƴan hanyoyi don ƙarin nazari. Yin la&39;akari da dalilai kamar girman sarrafawa, farashin aiki, tsabtar samfur da gurɓataccen abu, Tebura 2 ya taƙaita hanyar fasaha na kwatanta hakar rabuwa da yawa da aka kwatanta a sama.

A halin yanzu, aikace-aikacen batirin lithium-ion a cikin makamashin lantarki da sauran fannoni ya fi yawa, kuma ba za a iya yin la&39;akari da adadin sharar batir lithium-ion ba. A wannan mataki, tsarin dawo da baturin lithium-ion mara ɓata yana da mahimmanci don tuntuɓar magani - sake amfani da leaching-wet. Tsohon maganin ya haɗa da fitarwa, murƙushewa da rabuwar kayan lantarki, da sauransu.

Daga cikin su, hanyar rushewar abu ne mai sauƙi, kuma yana iya inganta tasirin rabuwa da ƙimar dawowa, amma a halin yanzu ana amfani da mahimmanci mai mahimmanci (NMP) yana da tsada zuwa wani matsayi, don haka aikace-aikacen mafi dacewa da sauran ƙarfi ya cancanci bincike a wannan filin. Daya daga cikin kwatance. Tsarin leaching yana da mahimmanci tare da wakili mai rage acid a matsayin wakili na leaching, wanda zai iya cimma sakamako mai kyau na leaching, amma za a sami gurɓataccen gurɓataccen abu kamar ruwa mai sharar gida, kuma hanyar leaching na halitta yana da fa&39;ida mai inganci, kare muhalli da ƙarancin farashi, amma akwai ƙarfe mai mahimmanci.

Yawan leaching yana da girma sosai, kuma haɓaka zaɓin ƙwayoyin cuta da haɓaka yanayin leaching na iya haɓaka ƙimar leaching, ɗayan hanyoyin bincike na tsarin leaching na gaba. Valentine karafa a rigar dawo da leaching mafita ne key links na sharar gida lithium-ion baturi dawo da tsari, da kuma key maki da matsaloli na bincike a cikin &39;yan shekarun nan, da kuma muhimmanci hanyoyin da sauran ƙarfi hakar, hazo, electrolysis, ion musayar hanya, gishiri analysis jira. Daga cikin su, da sauran ƙarfi hakar Hanyar da ake amfani a halin yanzu a cikin hanyoyi da yawa, tare da low gurbatawa, low makamashi amfani, high rabuwa sakamako da samfurin tsarki, da kuma zabi da kuma ci gaban mafi inganci da kuma low-cost extractants, yadda ya kamata rage aiki halin kaka, da kuma ƙarin bincike na daban-daban extractants synergies na iya zama daya daga cikin kwatance na mayar da hankali na wannan filin.

Bugu da kari, hanyar hazo kuma mabudi ce ga wani alkiblar bincikensa saboda fa&39;idarsa na yawan farfadowa, karancin farashi da kuma aiki mai yawa. A halin yanzu, matsala mai mahimmanci a gaban hanyar hazo yana da ƙasa, don haka, game da zaɓi da yanayin tsari na sedimentation, zai sarrafa jerin abubuwan haɓakar ion na ƙarfe na sirri, don haka ƙara yawan samfurin samfurin zai sami kyakkyawan yanayin aikace-aikacen masana&39;antu. A lokaci guda kuma, a cikin aikin jiyya na batir lithium-ion, gurɓataccen gurɓataccen abu kamar ruwa mai sharar gida, ragowar sharar ba za a iya hana shi ba, kuma ana rage cutar da gurɓataccen gurɓataccen abu yayin da ake amfani da albarkatu don cimma batir lithium ion sharar gida.

Muhalli, inganci da rahusa rec.