Dynamic lithium-ion bhatiri kusimudzira inoda kufunga yakazara kuita kwegirinhi kudzokorodza kwave pedyo

2022/04/08

Munyori: Iflowpower -Inotakurika Power Station Mutengesi

indasitiri yemagetsi yemagetsi yenyika yangu yasimuka, izvo zvakaita kuti tekinoroji yelithium-ion bhatiri iwedzere nekukurumidza, uye simba re lithium-ion bhatiri retirement rakakonzera mapato ese ane chekuita. Musi waNyamavhuvhu 1, "Interm Provisions on the Administration of New Energy Automobile Power Battery Recycling" (inonzi "Recycling Traceability Regulations") ichaita zviri pamutemo, kusimbisa kushandiswa kwehurongwa hwekuwedzera mutoro, zvinoda kuti makambani ekugadzira motokari atore chikuru. mutoro wesimba rekuchengetedza bhatiri recycling. Urongwa uhwu hwakachenjerera kutambisa zviwanikwa uye kusvibiswa kwezvakatipoteredza.

Wu Feng, mudzidzi, nyika yangu Academy yeUinjiniya, uye Wu Feng, director weGreen Energy Research Institute yeBeijing Institute of Technology, vakadaro mubvunzurudzo nevatori venhau, vachigadzira maindasitiri eLithium-industrial, uye nekushandisa zvakanyanya bhatiri repamusoro. tekinoroji yekutsvaga nekusimudzira uye lithium zviwanikwa. Kuti uwanezve simba re lithium-ion mabhatiri, unofanirwa kuedza kushandisa green recovery techniques, uye varindi vakakonzera kusvibiswa kwechipiri kune zvakatipoteredza. Frontier breakdown Multi-party icharamba ichitanga pakutanga kwe2000 nyika yangu Electric Automobile Project, Xu Guanhua, Gurukota reSainzi neTekinoroji, akataura kuti kiyi yemotokari dzemagetsi ibhatiri.

Parizvino, mabhatiri e-lithium-ion ave nzvimbo dzinopisa dzemapato ese ane chekuita. MuWu Feng, iyo lithium-ion bhatiri yave hotspot, inova iye zvino makwikwi epasi rose, ayo ave iyezvino makwikwi epasi rose, uye ave iyezvino makwikwi epasirese. Kukurukurirana (5G), zvinongedzo zvakakosha senge mota dzemagetsi, zviteshi zvemagetsi ekuchengetedza simba uye kuchengetedza.

Munguva pfupi yapfuura, pakanga paine mishumo yekuti X-57 yakachena yemagetsi ndege chirongwa chakagadzirwa neNASA (NASA) chave chichiitwa kwemakore 3, kuitira kuti ndege yekutanga iwane kubuda kwemhepo zero, uye kushambadzira kwekutengesa kunonyanya kuoma develop. nyika yangu itsva simba rekubatsira mota dzakapa rubatsiro. Gore rino, Bazi reMari, Bazi reIndasitiri, Bazi reSainzi neTekinoroji, uye Development and Reform Commission vakabatana vakazivisa "Chiziviso cheKugadziridzwa kweNew Energy Automobile Promotion uye Kushandisa Financial Subsidy Policy", uye rubatsiro rweakachena emagetsi anofamba. mota dzakatanga kutsvedza, uye yakawedzera kuvandudza lithium ions Battery simba density zvinodiwa.

Wu Feng anotenda kuti kuvandudzwa kwemabhatiri e-lithium-ion uye mota nyowani dzesimba dzinofanirwa kuyedza kuzadzisa zvinodiwa zvemusika. Nyika inofarira kukurudzira mabhatiri ane simba repamusoro-simba kuti awane hupenyu hurefu hwebhatiri, achizadzisa zvimwe zvinodiwa zvemisika. 2020 rubatsiro ruchadzimwa, inyaya yechimbichimbi nzira yekuita kuti bhatiri uye mota nyowani dzienderane nekusimudzira musika uye kudiwa.

Kubva pa "13th Five", maitiro ekusimudzira simba-lithium-ion bhatiri simba density zviratidzo zvave zvakakwirira nepamusoro. 2015 dynamic lithium-ion bhatiri simba density index i120 ~ 180 watt / kg, zvinhu system yakasimba kune lithium iron phosphate - graphite, termer material - graphite. Munguva pfupi yapfuura, 2020 chizvarwa chitsva chesimba lithium-ion bhatiri simba density zviratidzo ndezvekuti: lithium-rich material-silicon carbon negative electrode battery core is 300 watt/kg.

Kubva pamaonero, yepakati (2025) kuwana 400 watt / kg, kureba (2030) kuwana 500 watt / kg. Mumakore achangopfuura, zvinhu zvakakosha uye matekiniki ebhatiri anoshamisa, asi pachine nzvimbo yekuvandudza. Pano, zvinoreva kuvandudzwa kwekuita kwakazara, kusanganisira kuchengetedza, simba remagetsi, simba remagetsi, hupenyu, mutengo, nezvimwe.

Chete bhatiri kuita kwese kwakagadziridzwa, kuitira kuti usangane zvirinani nekuvandudzwa kwemisika mitsva yemagetsi auto. Kubva pakuona kwehutano, mabhatiri e-lithium-ion anofanira kunge ari nyore kuita nesimba, asi zvakaoma kuita zviratidzo zvakakwirira, nokuti zvakakosha kufunga zvipingamupinyi zvemamiriro akasiyana-siyana. Wu Feng anotenda kuti kushandiswa kwematatu-dimensional positive material uye silicone carbon negative electrode material, inogona kugadzirira simba density 319 watt / kg high ratio simba lithium-ion bhatiri.

Nekudaro, kuwanda kwesimba reiyo dynamic lithium ion bhatiri iri kuwedzera kuwedzera kune yakanaka uye yakaipa electrode zvinhu, uye njodzi ye electrolyte inoshandiswa iri kuwedzera, uye imwe yengozi yerithium ion bhatiri ielectrolyte. Kuti izvi zviitike, uchiona kusimba kweiyo dynamic lithium ion bhatiri, zvinofanirwawo kufunga nezvekuita kwemamwe maindasitiri zviratidzo. Kunyanya seye bhatiri simba density yeakakosha zviratidzo, maitiro ekufunga nezvekuchengetedza, kutenderera, uye kukudza, senge simba, kutenderera, uye kukura, nezvimwe.

Muchokwadi, ikozvino yakakwirira-chaiyo simba bhatiri tsvagiridzo ndiyo yakanyanya intute tekinoroji muindasitiri. Wu Feng inotambirwa neiyo yenyika 973 lithium-ion bhatiri yekutsvagisa chirongwa, kubvira 2002, ndaona chikamu chechitatu. Iyo purojekiti inodikanwa kudzidza, kubva ku "light elements, multi-electronic response" zvinhu, zvakasanganiswa ne polyionic madhara, kugadzira yakakwirira-inoshanda electrode zvinhu, uye kuvaka yakakwirira-chaiyo yechipiri bhatiri itsva system.

Iyo recycling link inofanirwa kuve yakasvibira tekinoroji, yechipiri bhatiri kugadzirwa kwakakwira zvakanyanya, iyo yakapinda muzvikamu zvakasiyana zvehupfumi hwenyika uye hupenyu hwevanhu. Bhatiri rine nharaunda yakakura uye zviwanikwa zvinomanikidza munharaunda. Zvidzidzo zvakaratidza kuti 1 20 magiramu enharembozha bhatiri anogona kusvibisa mvura 3 mureza dziva dzokushambira; kana ikaraswa panyika, inogona kuita 1 square kilometres yekusvibisa ivhu kwemakore angangoita 50.

MuWu Feng, kana iri matani mashoma emagetsi emagetsi emagetsi lithium-ion mabhatiri anorasa munzvimbo yechisikigo, nhamba huru yesimbi inorema uye makemikari zvinhu zvinopinda muzvisikwa, izvo zvinokonzeresa kusvibiswa kukuru kune zvakatipoteredza. Imhaka yekuti kune huwandu hukuru hwekusvibisa kwakavanzika njodzi, iyo simba lithium-ion bhatiri indasitiri haisi yekumhanyisa nhanho dzemagadzirirwo ekudzokorora. Simba re lithium-ion bhatiri recycling basa riri kuramba richiwedzera.

Muchikamu chepasi rose, kufanotaura kweWu Feng ndechokuti nhamba yepasi rose tsvina lithium-ion mabhatiri inenge 25 bhiriyoni kusvika 2020. Kukanganisa kwakashata pane zvakatipoteredza kuchave kuchiwedzera zvakanyanya, uye iyo lithium zviwanikwa zvichave zvakare isina simba, uye iyo dynamic lithium. -ion ​​bhatiri kupora kwava pedyo. Muchirevo chechinyorwa chino, "Recycling" yave kuda kumhara muna Nyamavhuvhu 1st.

Hupenyu hwesevhisi yesimba re lithium-ion bhatiri ingangoita makore makumi maviri, asi huwandu hwese hunodzikiswa kusvika pa80%, uye hucharegwa uye nguva yekushandisa ingangoita makore matatu kusvika masere. Semusika mukuru wepasi rose wemagetsi emagetsi, Wu Feng anotenda kuti simba reindasitiri yese rinofanira kuiswa nekugadzirwa kwemarara lithium-ion mabhatiri. Dynamic lithium-ion bhatiri kudzoreredza kunosanganisira dambudziko remutengo.

Mushure mezvose, zviwanikwa zvelithium uye zviwanikwa zvecobalt zviwanikwa zvisingagone kudzokororwa, saka kutambisa bhatiri zvinhu kudzokorodza uye kuvandudza zviwanikwa zvine zvakakosha zvehupfumi uye zvemagariro mabhenefiti. Tora Japan somuenzaniso, iyo yakawanazve kupfurikidza nesimbi yakaraswa, kudzorerwa kwegore negore kwendarama kunopfuura kugadzirwa kukurusa kwenyika kweSouth Africa, kugadzirwa kwesirivha kunopfuura Poland inowanikwa munyika yose. Nezve tekinoroji yekudzokororazve tekinoroji, parizvino kune yakawedzera tekinoroji yehunyanzvi kumba nekune dzimwe nyika, izvo zvakaoma kudzivirira kusvibiswa kwechipiri mukupora kwakasimba kweasidhi.

Chikwata cheWu Feng chakatora tekinoroji yekudzoreredza yeasidhi organic acids, zvichienzaniswa neazvino asidhi yakasimba, sulfuric acid uye nitric acid kunze kwenyika, yaive yakasvibira, yaive nani kupfuura mwero weasidhi yakasimba mukubvisa uye nguva yekubvisa, uye yakaziva tsvina. Green Inoshanda Kudzokororwa kweLithium Ion Bhatiri. Kune zvinhu zvakanaka, pakutanga yakashandiswa kudzoreredza simbi maion mumabhatiri emarara mune echisikigo organic acids (citric acid, malic acid, ascorbic acid, nezvimwe.

), uye lithium ions uye cobalt ion zvinyorwa zvaive pamusoro pe90%. Iyo yakasikwa succinic acid ichangobva kugamuchirwa, mwero wekubvisa wakawedzera kubva pa94% kusvika 99%, uye iyo yakabviswa bhatiri zvinhu yakasvikawo zvinodikanwa, uye inokwanisa zvinhu zvakanaka zvinogona kugadzirwa. Kune zvinhu zvisina kunaka emagetsi emagetsi, pfungwa yepakutanga nderekuti kudzokorodza kabhoni negative haina mari-inoshanda, iyo pfungwa yeNorth Workers timu ndeye kudzoreredza kudzoreredza kwakashata kwemarara lithium-ion mabhatiri.

Maitiro ekugadzira kabhoni adsorbents, shandisa yakakwira phosphorus sewage. Parizvino, huwandu hwe phosphorus adsorption hunosvika 588 μg / g ndeimwe yepamusoro kabhoni adsorbents, uye adsorbent mushure mekugezesa kwetsvina inogona zvakare kushandiswa seivhu rinosimudzira kuburitsa fetiraiza. Mukuona kwaWu Feng, kugadzirwa kwemabhatiri egirinhi echipiri matsva kunobva kubhatiri rechipiri rakasimba remagetsi emagetsi uye nickel-hydrogen bhatiri hydrogen midziyo yekuchengetera, zvichitsamira pautsva uye kufambira mberi muhunyanzvi hwezvinhu.

Chikwata ichi chinotungamirwa nenyanzvi kubva kuBeijing University of Technology, Wuhan University, Tsinghua University nezvimwe zvikamu, kubva muna 2002 kusvika nhasi uno, chave nemakore gumi nematanhatu chichishandirwa. Chero chiitiko chakabatana mumakore mazhinji ndechekuti: innovation haisi hypere, haigone kuva nechido chekuva nenguva yakanaka, kana zvisina kudaro ichange ichikura; kuvandudzwa kwekugadzirwa kwemaindasitiri kunoenderana nemusika, haugone kuita nguva yakareba, kana zvisina kudaro ichava utsi hwegore. .

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