Univesithi ea Chalmers le KTH li thehile tlamo e feto-fetohang ea sebopeho. Matla a tlase a matla, empa ho na le monyetla

Lintho tsa sebopeho ke mokhoa o mocha oa tlhahiso ea betri. Lintho tseo ho fihlela joale e neng e le ballast feela li fetoloa likarolo tse sebetsang e le motheo oa betri kapa esita le koloi. 'Me ke ntlheng ena moo bo-rasaense ba tsoang liunivesithing tse peli tse tsebahalang tsa thekenoloji tsa Sweden ba latetseng: Univesithi ea Chalmers le Royal Institute of Technology (KTH).

Flexible structural bonds ka lebaka la li-composites. 0,024 kWh / kg hona joale, merero ke 0,075 kWh / kg

Ka linako tse ling li-bond tsa meralo li bitsoa "massless", empa lentsoe lena ha lea lokela ho nkoa ka ho toba ka kutloisiso eo e leng tšobotsi ea thuto ea motheo ea particle physics. Lisele "tse se nang boima" ka koloing ke lisele feela tseo e seng li-ballast tse eketsehileng hobane li sebetsa joaloka masapo, li-reinforcements, joalo-joalo - mehaho ea bohlokoa ka koloing.

E entsoe ke Univesithi ea Chalmers le KTH, lisele li na le li-electrode tse peli: carbon fiber (anode) le lithium iron phosphate (cathode), pakeng tsa eona ho na le lisebelisoa tsa khalase tse tletseng electrolyte. Ha re sheba rekoto, re ka re sena sohle se bokelloa 'meleng o le mong o kopaneng:

Ena ke tsela eo sehokelo se entsoeng ka eona rekere 'me ke holim'a li-electrode matla a 8,4 volts (3x 2,8V). Bo-rasaense baa lumela hore ba finyeletse matla a matla сейчас 0,024 kWh / lik'hilograma, e leng ka makhetlo a fetang leshome ho feta ka libeteri tse molemo ka ho fetisisa tsa morao-rao (0,25-0,3 kWh / kg). Leha ho le joalo, haeba re hopola hore ka likarolo tsa khale ho hlokahala ho eketsa boima ba li-modules le nyeoe ea betri, phapang e fetoha "feela" makhetlo a 6-8.

Mojule oa Juniormodulus ea elasticity ea sebopeho sehokelo sa prototype ke ho feta 28 GPA... Ho bapisa: polasetiki, e matlafalitsoeng ka carbon fiber, e na le modulus ea Young ea 30-50 GPa, kahoo sele ea Univesithi ea Chalmers le KTH ha e fapane haholo le molekane oa eona oa khale.

Bo-rasaense ba batla Fokotsa boholo ba karohano mohatong o latelang 'me u nke sebaka sa foil ea aluminium holim'a electrode ka thepa ea carbon fiber. Ho nahanoa hore, ka lebaka la lintlafatso tsena, ba tla fihla boemong ba 0,075 kWh / kg le 75 GPa.... 'Me le haeba mefuta ena ea lisele e theko e boima haholo hore e sebelisoe likoloing, e ka sebetsa hantle, mohlala, lifofaneng.

Koloi ea pele e nang le sehokelo se hahang e ne e le Sechaena BYD Han. Selemong sena ba tla hlaha kapa ba tla hlaha BYD Tang (2021), Mercedes EQS kapa Tesla Model Y, e entsoeng Jeremane 'me e itšetlehile ka likarolo tsa 4680.

Launchpad: Chalmers Unviersity Prototype Structure Cell (c)