NgoMeyi 21, 2021, usihlalo we-CATL, uZeng Yuqun, wembula emhlanganweni wabaninimasheya benkampani ukuthi amabhethri e-sodium azokhishwa ngoJulayi walo nyaka. Lapho ekhuluma ngokuthuthuka kobuchwepheshe bebhethri, uZeng Yuqun uthe: “Ubuchwepheshe bethu nabo buyathuthuka, futhi nebhethri lethu le-sodium-ion selivuthiwe.”

Ngo-15:30 pm ngoJulayi 29, 2021, i-CATL yabamba ingqungquthela yabezindaba yebhethri ye-sodium ngemizuzu eyi-10 ngokusakaza bukhoma kwevidiyo yewebhu. USihlalo uDkt. Yuqun Zeng ngokwakhe ubambe iqhaza engqungqutheleni yabezindaba ye-inthanethi.

isithombe

Enqubweni yenkomfa, ulwazi olulandelayo lukhishiwe:

1. Material system
Impahla ye-Cathode: I-Prussian emhlophe, i-oxide egqinsiwe, enokuguqulwa kwendawo
I-anode material: ikhabhoni eqinile eguquliwe enomthamo othize ongu-350mAh/g
Electrolyte: a new type of electrolyte containing sodium salt
Inqubo yokukhiqiza: ngokuyisisekelo iyahambisana nemigqa yokukhiqiza ibhethri ye-lithium-ion

2. Ukusebenza kwebhethri
Ukuminyana kwamandla okukodwa kufinyelela ku-160Wh/kg
U-80% we-SOC ungafinyelelwa ngemva kwemizuzu engu-15 yokushaja
Uma kuqhathaniswa nama-degree angu-20, kusengaphezu kuka-90% izinga lokugcinwa komthamo wokukhipha
Ukusebenza kahle kokuhlanganiswa kwesistimu yephakethe kudlula u-80%

3. System integration
Isixazululo sebhethri le-AB singasetshenziswa, ibhethri le-sodium ion kanye nebhethri ye-lithium ion kuhlanganiswe ohlelweni olufanayo, kucatshangelwa izinzuzo eziphezulu zokuminyana kwamandla e-sodium ion kanye nezinzuzo eziphezulu zokuminyana kwamandla amabhethri e-lithium ion.

4. Intuthuko yesikhathi esizayo
Ukuminyana kwamandla ebhethri ye-sodium ion yesizukulwane esilandelayo kufinyelela ku-200Wh/kg
I-2023 ngokuyisisekelo yakha uchungechunge lwezimboni oluvuthiwe

ezimbili

Amabhethri e-sodium ion afikile emgwaqeni wezimboni

Ucwaningo mayelana nokusungulwa kwezimboni zamabhethri e-sodium-ion lungalandelelwa emuva kuma-1970s, futhi lwaqalwa kanyekanye nocwaningo lwamabhethri e-lithium-ion. Njengoba i-Sony Corporation yaseJapane yahola ekuphakamiseni ikhambi lezentengiso lamabhethri e-lithium-ion, amabhethri e-lithium-ion athole ukusekelwa emithonjeni eminingi futhi manje asephenduke isixazululo esivamile samabhethri amasha, kuyilapho inqubekelaphambili yocwaningo lwamabhethri e-sodium-ion. ibihamba kancane.

“Engqungqutheleni Yezimoto Kagesi YaseChina Yesikhombisa” eyayingoJanuwari 17, 2021, u-Chen Liquan, isazi se-Chinese Academy of Engineering, wethula inkulumo eyisihluthulelo, egxile ebhethrini le-sodium ion elakhiwe ithimba lika-Hu Yongsheng e-Chinese Academy of Sciences.

Isazi sezemfundo uChen Liquan sathi esithangamini: “Ugesi womhlaba ugcinwa kumabhethri e-lithium-ion, anganele. Amabhethri e-sodium-ion ayinketho yokuqala yamabhethri amasha. Kungani sethula amabhethri e-sodium-ion? Ngoba amabhethri e-lithium-ion manje enziwa emhlabeni wonke. Kuthiwa izimoto emhlabeni wonke zihamba ngamabhethri e-lithium-ion, kanti ugesi emhlabeni ugcinwa kumabhethri e-lithium-ion, okuyinto enganele. Ngakho-ke, kufanele sicabangele amabhethri amasha. Amabhethri e-sodium-ion ayisinqumo sokuqala. Okuqukethwe kwe-lithium kuncane kakhulu. Kuyi-0.0065% kuphela futhi okuqukethwe kwe-sodium kungu-2.75%. Kufanele kushiwo ukuthi okuqukethwe kwe-sodium kuphezulu kakhulu. ”

The sodium ion battery developed by the Chinese Academy of Sciences has been initially industrialized by Zhongke Haina Technology Co., Ltd. It has excellent high and low temperature performance, rate performance, cycle performance, and the cost is lower than that of lithium ion batteries. It has a very broad development. Prospects and application scenarios.

Ngomhla zingama-26 kuNdasa, 2021, u-Zhongke Hai Na umemezele ukuphothulwa komjikelezo wezimali wezinga le-yuan eliyizigidi eziyi-100. Umtshalizimali yi-Wutongshu Capital. Lo mzuliswano wezimali uzosetshenziselwa ukwakha ulayini wokukhiqiza webhethri we-sodium-ion omuhle futhi ongemuhle onamandla wonyaka wamathani ayi-2,000.

Ngomhla zingama-28 kuJuni 2021, isistimu yokuqala yomhlaba yokugcina amandla ebhethri ye-sodium-ion eyi-1MWh (megawatt-hour) yafakwa e-Taiyuan, yafinyelela kuleveli ehamba phambili emhlabeni. Uhlelo lokuqala lomhlaba lokugcina amandla e-sodium engu-1MWh oluqale ukusebenza kulokhu lwakhiwe ngokuhlanganyela yi-Shanxi Huayang Group kanye neNkampani ye-Zhongke Haina.

UZhai Hong, uSihlalo weShanxi Huayang Group, uthe: “Uhlelo lokuqala lomhlaba lokugcina lwe-sodium ion eyi-1MWh luqaliswe ngempumelelo, luphawula ukuthunyelwa kweShanxi Huayang Group, ukwethulwa, kanye nokwakhiwa ngokubambisana kokugcina amandla amasha enhla nomfula ongaphansi kwezimboni. .”

Njengomfundi we-Academician Chen Liquan kanye nosihlalo wenkampani yebhethri enamandla kakhulu emhlabeni, i-Ningde Times Co., Ltd., uDkt. Zeng Yuqun ubelokhu enaka ukuthuthukiswa kobuchwepheshe bebhethri ye-sodium ion futhi useyisungule i-sodium ion. ku-CATL. Ithimba le-R&D yebhethri.

Ibhethri ye-sodium-ion eyethulwe kule ngqungquthela ibonisa ukuthi i-CATL yenze amalungiselelo okwenziwa kwezimboni zamabhethri e-sodium-ion futhi maduze izokwethula imikhiqizo ekhiqizwe ngobuningi emakethe.

Lesi senzo ngokungangabazeki sibonisa ukuthi inkathi ye-Ningde ihamba phambili ekushintsheni kobuchwepheshe bebhethri.

ezintathu

Izici kanye nezimo zokusetshenziswa kwamabhethri e-sodium ion

Ukuhlanganisa amapharamitha wezobuchwepheshe afanelekile wamabhethri e-sodium ion akhishwe ngu-Zhongke Hainer kanye ne-Ningde Times, singahlaziya izimo ezijwayelekile zokusetshenziswa kwe-sodium ion.

1. Imakethe yokugcina amandla
Ngemuva kokuthuthukiswa kwezimboni ezinkulu zamabhethri e-sodium-ion, izindleko zizuzisa kakhulu kunebhethri ye-lithium-ion, futhi impilo yomjikelezo ingaba izikhathi ezingaphezu kuka-6000, futhi impilo yesevisi ingaba iminyaka eyi-10 kuye kwengama-20, okuyinto efanelekile ngokukhethekile ukuphakama kanye nesigodi sokugcina amandla kagesi. Lungisa nokuguquguquka okushelelayo.

Ngaphezu kwalokho, izinzuzo zokukhuliswa okuphezulu, kuhlanganiswe nezinzuzo zezindleko eziphansi, kwenza amabhethri e-sodium ion afaneleke ikakhulukazi izidingo zohlelo lokusebenza lokushintshwa kwefrikhwensi yegridi.

Ehlanganiswe ndawonye, ​​amabhethri e-sodium-ion angacishe amboze izidingo ezihlukene zohlelo lokusebenza emkhakheni wokugcinwa kwamandla kagesi, okuhlanganisa uhlangothi lokuphehla amandla, uhlangothi lwegridi, nohlangothi lwabasebenzisi, okuhlanganisa i-off-grid, igridi-connected, i-frequency modulation, ukushefa okuphezulu. , ukugcinwa kwamandla, njll.

2. Imakethe yezimoto zikagesi ezilula
Inzuzo eshibhile yamabhethri e-sodium-ion nezici zokuvikela imvelo kuyenza ibe mathubeni amaningi okushintsha amabhethri e-lead-acid futhi ibe ukusetshenziswa okuyinhloko kwemakethe yezimoto zikagesi ezilula.

Njengoba sonke sazi, ngenxa yenani layo eliphansi, amabhethri e-lead-asidi bekulokhu kuyisinqumo esiyinhloko samasondo amabili kagesi, amabhayisikili amathathu kagesi, namasondo amane kagesi anesivinini esiphansi. Nokho, ngenxa yokungcoliswa komthofu, leli zwe belikhuthaza ukusetshenziswa kwamabhethri amakhemikhali angayingeni indawo ezungezile ukuze athathe indawo yamabhethri aneasidi yomthofu. Amabhethri, amabhethri e-sodium ion ngokungangabazeki ayindlela enhle kakhulu, kulindeleke ukuthi afinyelele eduze nezindleko zamabhethri e-lead-acid, kodwa ukusebenza kudlula kakhulu amabhethri e-lead-acid.

3. Indawo ebandayo enezinga lokushisa eliphansi
Ezifundeni eziphakeme kakhulu, izinga lokushisa eliphansi kakhulu ebusika lingafinyelela ngaphansi kuka-30°C, futhi amazinga okushisa aphansi kakhulu aphansi ngisho nokususa u-40°C, okufaka inselele enkulu kumabhethri e-lithium.

Isistimu yezinto zebhethri ye-lithium ekhona, kungakhathaliseki ukuthi ibhethri ye-lithium titanate, noma ibhethri ye-lithium yensimbi noma i-lithium iron phosphate esebenza kangcono izinga lokushisa eliphansi, ingasetshenziswa futhi endaweni engaphansi kuka-40°C, kodwa intengo ibiza kakhulu. .

Uma sibheka i-sodium ion ekhishwe yi-CATL, kusenezinga lokugcinwa kwamandla okukhipha okungama-90% ku-minus 20 degrees Celsius, futhi isengasetshenziswa ngokujwayelekile ku-minus 38 degrees Celsius. Ingakwazi ukuzijwayeza ezindaweni eziningi ezibandayo ze-latitude ephezulu, futhi intengo iphansi kakhulu. Ibhethri ye-lithium enokushisa okuphansi kokusebenza okuthuthukisiwe.

4. Imakethe yebhasi kanye namaloli kagesi
Kumabhasi kagesi, amaloli kagesi, izimoto zikagesi zokuthutha nezinye izimoto inhloso yazo eyinhloko ukusebenza, ukuminyana kwamandla akuyona inkomba ebaluleke kakhulu. Amabhethri e-sodium-ion anezinzuzo zezindleko eziphansi nempilo ende, anamathemba okusebenza abanzi futhi okulindeleke ukuthi athathe ingxenye enkulu yawo. Ekuqaleni bekungokwemakethe yamabhethri e-lithium-ion.

5. Izimakethe ezinesidingo esinamandla sokushaja ngokushesha
Isibonelo, ukushintshwa kwemvamisa yesitoreji samandla okukhulunywe ngenhla, kanye namabhasi kagesi ashaja ngokushesha, imisebenzi yokushintsha imoto kagesi enamasondo amabili, ama-AGV, izimoto ezingenamuntu, amarobhothi akhethekile, njll., konke kunesidingo esinamandla sokushaja ibhethri ngokushesha. . Amabhethri e-sodium-ion angakwazi ukuhlangabezana ngokugcwele nezidingo zale ngxenye yemakethe ukushaja u-80% kagesi ngemizuzu engu-15.

Four

Umkhuba wokusungulwa kwezimboni usufikile

izwe lami lenze impumelelo enkulu emkhakheni wamabhethri e-lithium-ion, laba uchungechunge lwezimboni oluvuthwe kakhulu emhlabeni, isikali sokukhiqiza esikhulu kunazo zonke, isikali esikhulu kunazo zonke sohlelo lokusebenza, kanye nobuchwepheshe kancane kancane bubamba futhi buhola amandla ebhethri ye-lithium-ion. Ngaphakathi kushintshelwe embonini yebhethri ye-sodium-ion ukusiza imboni yebhethri ye-sodium-ion ikhule ngokushesha.

U-Zhongke Haina useqaphele ukukhiqizwa kweqoqo elincane lamabhethri e-sodium-ion, futhi waqaphela ukusebenza okufakiwe kwesistimu yokugcina amandla engu-1MWh engxenyeni yokuqala yalo nyaka.

I-CATL ikhiphe ngokusemthethweni amabhethri e-sodium-ion, futhi ihlela ukwakha uchungechunge lwemboni yebhethri ye-sodium-ion ephelele ngo-2023 ukuze kuzuzwe ukukhiqizwa nokusetshenziswa kwezinga elikhulu.

Nakuba imboni yamanje yebhethri ye-sodium ion isesigabeni sokwethulwa, amabhethri e-sodium ion anezinzuzo ezisobala mayelana nobuningi bezinsiza kanye nezindleko. Ngokukhula kobuchwepheshe kanye nokuthuthuka kancane kancane kochungechunge lwezimboni, amabhethri e-sodium-ion kulindeleke ukuthi afeze izinhlelo zokusebenza ezinkulu ezindaweni ezifana nokugcinwa kwamandla kagesi, izimoto ezisebenza ngogesi ezilula, kanye nezimoto zokuhweba zikagesi, akha umphelelisi omuhle we-lithium- amabhethri e-ion.

Ukuthuthukiswa kwemboni yebhethri yamakhemikhali kusezingeni eliphezulu. Amabhethri e-lithium-ion awalona uhlobo lokugcina. Ukuthuthukiswa kobuchwepheshe bebhethri ye-sodium-ion kubonisa ukuthi kusenezindawo ezinkulu ezingaziwa embonini yebhethri yamakhemikhali, okufanele ihlolwe yizinkampani zomhlaba wonke kanye nososayensi.