Nge-21 kaMeyi ka-2021, usihlalo we-CATL, uZeng Yuqun, utyhile kwintlanganiso yabaninizabelo benkampani ukuba iibhetri zesodium ziya kukhutshwa malunga neJulayi kulo nyaka. Xa wayethetha ngophuhliso lwetekhnoloji yebhetri, uZeng Yuqun uthe: “Itekhnoloji yethu nayo iyaphuhla, kwaye ibhetri yethu yesodium-ion ikhulile.”

Nge-15: 30 pm nge-29 kaJulayi 2021, i-CATL yabamba inkomfa ye-sodium-ion yebhetri ye-sodium kwimizuzu ye-10 ngokusasazwa kwevidiyo yewebhu ephilayo. USihlalo uDkt. Yuqun Zeng ngokwakhe uthathe inxaxheba kwinkomfa ye-intanethi ye-intanethi.

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Kwinkqubo yenkomfa, le ngcaciso ilandelayo yacatshulwa:

1. Material system
Izinto zeCathode: I-Prussian emhlophe, i-oxide elayishiwe, kunye nokuguqulwa komphezulu
Izinto ze-Anode: i-carbon modified hard kunye nomthamo othile we-350mAh / g
Electrolyte: a new type of electrolyte containing sodium salt
Inkqubo yokuvelisa: ngokusisiseko iyahambelana nemigca yokuvelisa ibhetri ye-lithium-ion

2. Ukusebenza kwebhetri
Ubuninzi bamandla obunye bufikelela kwi-160Wh/kg
I-80% ye-SOC inokufikelelwa emva kwemizuzu eyi-15 yokutshaja
Minus 20 degrees, kusekho ngaphezulu kwe-90% yokukhupha umthamo wokugcinwa kwesantya
Ubuchule bokupakisha inkqubo yokudibanisa idlula i-80%

3. System integration
Isisombululo sebhetri ye-AB sinokusetyenziswa, ibhetri ye-sodium ion kunye nebhetri ye-lithium ion idityaniswe kwinkqubo efanayo, kuthathelwa ingqalelo inzuzo ephezulu yoxinano lwamandla e-sodium ion kunye neenzuzo eziphezulu zokuxinana kwamandla ebhetri ye-lithium ion.

4. Uphuhliso lwexesha elizayo
Ubuninzi bamandla ebhetri ye-ion yesodium yesizukulwana esilandelayo bufikelela kuma-200Wh/kg
U-2023 wenza ikhonkco lemizi-mveliso eliqolileyo

Mbini

Iibhetri ze-sodium ion zifikile kwindlela yoshishino

Uphando kwi-industrialization yeebhetri ze-sodium-ion zingalandelwa emva kwe-1970s, kwaye ngokusisiseko kwaqalwa ngaxeshanye kunye nophando kwiibhetri ze-lithium-ion. Ekubeni i-Sony Corporation yaseJapan ikhokela ekuphakamiseni isisombululo sorhwebo kwiibhetri ze-lithium-ion, iibhetri ze-lithium-ion ziye zafumana inkxaso kwimithombo emininzi kwaye ngoku ziye zaba sisisombululo esiqhelekileyo kwiibhetri zamandla amatsha, ngelixa inkqubela yophando yeebhetri ze-sodium-ion. iye yacotha noko.

Kwi-“Seventh China Vehicles Vehicles Forum” eyayibanjwe ngoJanuwari 17, 2021, u-Chen Liquan, i-academician ye-Academy yaseTshayina yobuNjineli, wanikela intetho ephambili, egxininise kwibhetri ye-ion ye-sodium ephuhliswe liqela likaHu Yongsheng kwi-Chinese Academy of Sciences.

Umfundisi-ntsapho uChen Liquan wathi kweli qonga: “Umbane wehlabathi ugcinwa kwiibhetri ze-lithium-ion, ezingonelanga. Iibhetri zesodium-ion lukhetho lokuqala kwiibhetri ezintsha. Kutheni ukwazisa iibhetri zesodium-ion? Ngenxa yokuba iibhetri ze-lithium-ion ngoku zenziwa kwihlabathi lonke. Kuthiwa iimoto emhlabeni wonke ziqhutywa ngamabhetri e-lithium-ion, kwaye umbane ehlabathini ugcinwe kwiibhetri ze-lithium-ion, ezingonelanga. Ngoko ke, kufuneka siqwalasele iibhetri ezintsha. Iibhetri ze-sodium-ion zikhetho lokuqala. Umxholo we-lithium uncinci kakhulu. Kuphela yi-0.0065% kunye nomxholo we-sodium ngu-2.75%. Kufuneka kuthiwe umxholo wesodium uphezulu 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 wama-26 kuMatshi ka-2021, uZhongke Hai Na ubhengeze ukugqitywa komjikelo wenkxaso-mali we-100 lezigidi zeeyuan. Umtyali-mali yiWutongshu Capital. Lo mjikelo wenkxaso-mali uya kusetyenziselwa ukwakha ibhetri ye-sodium-ion enika ithemba kunye nomgca wokuvelisa izinto ezingalunganga ezinomthamo wonyaka weetoni ezingama-2,000.

Ngomhla wama-28 kuJuni, ngo-2021, inkqubo yokuqala yehlabathi yokugcina amandla ebhetri eyi-1MWh (megawatt-hour) yesodium-ion yasetyenziswa eTaiyuan, yafikelela kwinqanaba eliphambili emhlabeni. Inkqubo yokuqala yehlabathi yokugcina amandla e-sodium ye-1MWh efakwe ekusebenzeni ngeli xesha yakhiwe ngokudibeneyo yiQela likaShanxi Huayang kunye neNkampani yeZhongke Haina.

UZhai Hong, uSihlalo weQela le-Shanxi Huayang, uthe: “Inkqubo yokuqala yehlabathi yokugcina amandla e-sodium eyi-1MWh iye yasetyenziswa ngempumelelo, iphawula ukuthunyelwa kweQela le-Shanxi Huayang, ukwaziswa, kunye nokwakhiwa ngokubambisana kogcino lwamandla amatsha phezulu nasezantsi. .”

Njengomfundi we-Academician Chen Liquan kunye nosihlalo wenkampani yebhetri enkulu yehlabathi, i-Ningde Times Co., Ltd., uGqr. Zeng Yuqun uye wahlala enika ingqalelo kwindlela yokuphuhlisa iteknoloji ye-sodium ion ibhetri kwaye sele isungule i-sodium ion. kwi-CATL. Iqela lebhetri yeR&D.

Ibhetri ye-sodium-ion eqaliswe kule ngqungquthela ibonisa ukuba i-CATL yenze amalungiselelo oshishino lweebhetri ze-sodium-ion kwaye kungekudala iza kuqalisa iimveliso eziveliswe ngobuninzi kwiimarike.

Esi senzo ngokungathandabuzekiyo sibonisa ukuba ixesha le-Ningde liphambili kwiinguqu zeteknoloji yebhetri.

Ntathu

Iimpawu kunye neemeko zokusetyenziswa kweebhetri ze-sodium ion

Ukudibanisa iiparitha zobugcisa ezifanelekileyo zeebhetri ze-sodium ion ezikhutshwe nguZhongke Hainer kunye ne-Ningde Times, sinokuhlalutya iimeko eziqhelekileyo zokusetyenziswa kwe-sodium ion.

1. Imarike yokugcina amandla
Emva koshishino olukhulu lweebhetri ze-sodium-ion, iindleko zinenzuzo ngakumbi kuneebhetri ze-lithium-ion, kwaye ubomi bomjikelezo bunokuba ngamaxesha angaphezu kwama-6000, kwaye ubomi benkonzo bunokuba bubude be-10 ukuya kwi-20 iminyaka. eyona nto ifanelekileyo kwincopho kunye nentlambo yokugcina amandla ombane. Lungisa kunye nokuguquguquka okugudileyo.

Ukongeza, iingenelo zokukhulisa okuphezulu, okudityaniswe nezibonelelo zexabiso eliphantsi, zenza iibhetri ze-sodium ion zifaneleke ngokukodwa kwiimfuno zesicelo sokumodareyitha igridi.

Ithatyathwe kunye, iibhetri zesodium-ion ziphantse zigubungele iimfuno ezahlukeneyo zesicelo kwindawo yokugcina amandla ombane, kubandakanya necala lokuvelisa amandla, icala legridi, kunye necala lomsebenzisi, kubandakanya i-off-grid, igridi-eqhagamshelwe, ukumodareyitha rhoqo, ukucheba okuphezulu. , ukugcinwa kwamandla, njl.

2. Imarike yemoto yombane ekhanyayo
Ixabiso eliphantsi leebhetri ze-sodium-ion kunye neempawu zokukhusela indalo zenza ukuba kube yinto enokwenzeka ukuba ithathe indawo yeebhetri ze-lead-acid kwaye ibe yinto ephambili yokuthengisa imoto yombane.

Njengoko sonke siyazi, ngenxa yexabiso layo eliphantsi, iibhetri ze-lead-asidi ziye zahlala zilolona khetho oluphambili kwiivili ezimbini zombane, iitricycle zombane, kunye ne-speed-speed low-speed electric-wheelers. Noko ke, ngenxa yongcoliso lwelothe, eli lizwe liye lakhuthaza ukusetyenziswa kweebhetri zemichiza eyongayo imekobume ukuze zithabathel’ indawo iibhetri ezineasidi yelothe. Iibhetri, iibhetri ze-sodium ion ngokungathandabuzekiyo ziyindlela elunge kakhulu, kulindeleke ukuba ifikelele kufutshane neendleko zeebhetri ze-lead-acid, kodwa ukusebenza kuphambili kakhulu kwiibhetri ze-lead-acid.

3. Indawo ebandayo enobushushu obuphantsi
Kwimimandla yobude obuphezulu, elona qondo lobushushu lisezantsi ebusika lidla ngokufikelela ku-minus 30°C, kwaye amaqondo obushushu asezantsi kakhulu angaphantsi nangaphantsi kwe-40°C, nto leyo ibeka umngeni omkhulu kwiibhetri ze-lithium.

Inkqubo yezinto zebhetri ye-lithium ekhoyo, nokuba ibhetri ye-lithium titanate, okanye i-ternary lithium okanye i-lithium iron phosphate ibhetri enomgangatho ophantsi wokushisa ophuculweyo, ingasetyenziselwa kwindawo ye-minus 40 ° C, kodwa ixabiso libiza kakhulu. .

Ukujonga kwi-ion yesodium ekhutshwe yi-CATL, kusekho i-90% yokukhupha umthamo wokugcinwa kwamandla kwi-minus 20 degrees Celsius, kwaye isenokusetyenziswa ngokuqhelekileyo kwi-minus 38 degrees Celsius. Iyakwazi ukuziqhelanisa nobuninzi bendawo ezibandayo zobude obuphezulu, kwaye ixabiso lisezantsi kakhulu. Ibhetri yeLithium enokuphuculwa kokusebenza kobushushu obuphantsi.

4. Ibhasi yombane kunye nemarike yelori
Kwiibhasi zombane, iilori zombane, izithuthi zombane kunye nezinye izithuthi ezinjongo yazo iphambili kukusebenza, ubuninzi bamandla abukho esona sibonakaliso sibaluleke kakhulu. Iibhetri ze-sodium-ion zineenzuzo zeendleko eziphantsi kunye nobomi obude, obunamathuba okusebenza okubanzi kwaye kulindeleke ukuba kuthathe inxalenye enkulu kuyo. Ekuqaleni yayiyeyentengiso yeebhetri ze-lithium-ion.

5. Iimarike ezinemfuno emandla yokutshaja ngokukhawuleza
Umzekelo, ukumodareyitha kwamandla okugcina amandla okukhankanyiwe ngasentla, kunye neebhasi zombane ezikhawulezayo ukutshaja, umbane onamavili amabini okutshintsha imisebenzi yemoto, ii-AGV, iimoto zothutho ezingenabantu, iirobhothi ezikhethekileyo, njl.njl., zonke zinemfuno eyomeleleyo yokutshaja ibhetri . Iibhetri ze-sodium-ion ziyakwazi ukuhlangabezana ngokupheleleyo neemfuno zale nxalenye yemarike ukuhlawula i-80% yombane kwimizuzu eyi-15.

Ne

Umkhwa wokukhula kwemizi-mveliso ufikile

ilizwe lam lenze impumelelo enkulu kwicandelo leebhetri ze-lithium-ion, libe lelona tyathanga loshishino liqolileyo ehlabathini, elona candelo likhulu lokuvelisa, elona nqanaba liphezulu lesicelo, kunye neteknoloji ngokuthe ngcembe ibambe kwaye ikhokele amandla ebhetri ye-lithium-ion. Ngaphakathi itshintshelwe kwishishini lebhetri ye-sodium-ion ukunceda ishishini lebhetri ye-sodium-ion likhule ngokukhawuleza.

UZhongke Haina uye waqaphela ukuveliswa kwebhetshi encinci yeebhetri ze-sodium-ion, kwaye waqaphela ukusebenza okufakwe kwi-1MWh inkqubo yokugcina amandla kwisiqingatha sokuqala salo nyaka.

I-CATL ikhuphe ngokusemthethweni iibhetri ze-sodium-ion, kwaye iceba ukwakha ikhonkco leshishini le-sodium-ion epheleleyo yebhetri kwi-2023 ukufezekisa imveliso enkulu kunye nokusetyenziswa.

Nangona imboni yebhetri ye-sodium ion yangoku ikwinqanaba lokungeniswa, iibhetri ze-sodium ion zineenzuzo ezicacileyo malunga nobuninzi bezibonelelo kunye neendleko. Ngokukhula kwetekhnoloji kunye nokuphuculwa kancinci kancinci kwekhonkco lemizi-mveliso, iibhetri zesodium-ion kulindeleke ukuba zifezekise izicelo ezinkulu kwiindawo ezinjengokugcinwa kwamandla ombane, izithuthi zombane ezilula, kunye neenqwelo zorhwebo zombane, ezenza umphelelisi olungileyo kwi-lithium- iibhetri ze-ion.

Uphuhliso loshishino lwebhetri yeekhemikhali lukwinqanaba lokunyuka. Iibhetri ze-lithium-ion azikho ifom yokugqibela. Ukuphuhliswa kobuchwepheshe bebhetri ye-sodium-ion kubonisa ukuba kusekho iindawo ezinkulu ezingaziwayo kwishishini lebhetri yeekhemikhali, ekufanelekile ukuphononongwa ziinkampani zehlabathi kunye nososayensi.