Isishwankathelo seebhetri zeNickel-Hydrogen: Uhlahlelo lokuthelekisa kunye neebhetri zeLithium-Ion

Intshayelelo

Njengoko imfuno yezisombululo zokugcina amandla iqhubeka nokunyuka, iitekhnoloji ezahlukeneyo zeebhetri ziyavavanywa ngokusebenza kwazo, ixesha elide, kunye nefuthe lokusingqongileyo. Phakathi kwezi, iibhetri ze-nickel-hydrogen (Ni-H2) ziye zafumana ingqwalasela njengenye indlela esebenzayo kwiibhetri ze-lithium-ion (Li-ion) ezisetyenziswa kakhulu. Eli nqaku lijolise ekunikeni uhlalutyo olubanzi lweebhetri ze-Ni-H2, ngokuthelekisa iinzuzo zabo kunye nokungonakali kunye neebhetri ze-Li-ion.

Iibhetri zeNickel-Hydrogen: Isishwankathelo

Iibhetri ze-nickel-hydrogen ziye zasetyenziswa ikakhulu kwizicelo ze-aerospace ukususela ekusekweni kwazo ngo-1970. Ziquka i-nickel oxide hydroxide positive electrode, i-hydrogen negative electrode, kunye ne-alkaline electrolyte. Ezi bhetri ziyaziwa ngokuxinana kwamandla aphezulu kunye nokukwazi ukusebenza phantsi kweemeko ezinzima.

Izinto eziluncedo kwiibhetri zeNickel-Hydrogen

1. Ubomi obude kunye noBomi boMjikelo: Iibhetri ze-Ni-H2 zibonisa ubomi bomjikelezo ophezulu xa kuthelekiswa neebhetri ze-Li-ion. Bangakwazi ukunyamezela amawaka emijikelezo yokukhutshwa kwentlawulo, okwenza ukuba bafanelekele izicelo ezifuna ukuthembeka kwexesha elide.
2. Uzinzo lobushushu: Ezi bhetri zisebenza kakuhle kwiqondo lokushisa elibanzi, ukusuka -40 ° C ukuya kwi-60 ° C, enenzuzo kwi-aerospace kunye nezicelo zomkhosi.
3. Ukhuseleko: Iibhetri ze-Ni-H2 aziqhelekanga kakhulu ekubalekeni kwe-thermal xa kuthelekiswa neebhetri ze-Li-ion. Ukungabikho kwee-electrolyte ezinokutsha kunciphisa umngcipheko womlilo okanye ukuqhuma, ukuphucula iphrofayili yabo yokhuseleko.
4. Impembelelo yokusingqongileyo: I-Nickel kunye ne-hydrogen zininzi kwaye zingaphantsi kwengozi kune-lithium, i-cobalt, kunye nezinye izinto ezisetyenziswa kwiibhetri ze-Li-ion. Lo mba unegalelo kumlinganiselo ophantsi wokusingqongileyo.

Ukungalungi kweebhetri zeNickel-Hydrogen

1. Ukuxinana kwamandla: Ngelixa iibhetri ze-Ni-H2 zinobuninzi bamandla afanelekileyo, ngokuqhelekileyo ziwela phantsi koxinzelelo lwamandla olunikezwa yi-state-of-art ye-Li-ion iibhetri, ezikhawulela ukusetyenziswa kwazo kwizicelo apho ubunzima kunye nobukhulu bubaluleke kakhulu.
2. Iindleko: Ukuveliswa kweebhetri ze-Ni-H2 kudla ngokubiza kakhulu ngenxa yeenkqubo eziyinkimbinkimbi zokuvelisa ezibandakanyekayo. Ezi ndleko ziphezulu zinokuba ngumqobo obalulekileyo wokwamkelwa ngokubanzi.
3. Ireyithi yokuZikhupha: Iibhetri ze-Ni-H2 zinezinga eliphezulu lokuzikhupha xa kuthelekiswa neebhetri ze-Li-ion, ezinokukhokelela ekulahlekeni kwamandla ngokukhawuleza xa zingasetyenziswa.

Iibhetri zeLithium-Ion: Isishwankathelo

Iibhetri zeLithium-ion ziye zaba zezona teknoloji zibalaseleyo kwi-elektroniki ephathekayo, izithuthi zombane, kunye nokugcinwa kwamandla avuselelekayo. Ukubunjwa kwabo kubandakanya izinto ezahlukeneyo ze-cathode, kunye ne-lithium cobalt oxide kunye ne-lithium iron phosphate yeyona ixhaphakileyo.

Izinto eziluncedo kwiibhetri zeLithium-Ion

1. Ukuxinana kwamandla aphezulu: Iibhetri ze-Li-ion zibonelela ngeyona nto iphezulu yoxinaniso lwamandla phakathi kweetekhnoloji zebhetri zangoku, zibenza zilungele usetyenziso apho indawo kunye nobunzima bubaluleke kakhulu.
2. Ulwamkelo oluBanzi kunye neZiseko zoPhuhliso: Ukusetyenziswa ngokubanzi kweebhetri ze-Li-ion kuye kwakhokelela ekuphuhliseni ukubonelela ngeentambo kunye noqoqosho lwesikali, ukunciphisa iindleko kunye nokuphucula iteknoloji ngokuqhubekayo.
3. Ixabiso eliphantsi lokuZikhupha: Iibhetri ze-Li-ion zihlala zinezinga elisezantsi lokuzikhupha, ezivumela ukuba zigcine intlawulo ixesha elide xa zingasetyenziswa.

Ukungalungi kweebhetri zeLithium-Ion

1. Iinkxalabo zoKhuseleko: Iibhetri ze-Li-ion zichaphazeleka kwi-thermal runaway, ekhokelela ekugqithiseni kunye nomlilo onokuthi ubekho. Ubukho be-electrolyte ezinokutsha buphakamisa inkxalabo yokhuseleko, ngakumbi kwizicelo eziphezulu zamandla.
2. Ubomi boMjikelo oMdayo: Ngoxa uphucula, ubomi bomjikelezo weebhetri ze-Li-ion ngokuqhelekileyo bufutshane kuneebhetri ze-Ni-H2, ezifuna ukutshintshwa rhoqo.
3. Imiba yokusingqongileyo: Ukukhutshwa kunye nokuqhutyelwa kwe-lithium kunye ne-cobalt kuphakamisa inkxalabo ebalulekileyo yendalo kunye nokuziphatha, kubandakanywa ukutshatyalaliswa kwendawo yokuhlala kunye nokuphulwa kwamalungelo oluntu kwimisebenzi yezemigodi.

Ukuqukumbela

Zombini i-nickel-hydrogen kunye neebhetri ze-lithium-ion zibonelela ngeenzuzo ezizodwa kunye nokungonakali okufuneka kuqwalaselwe xa kuhlolwa ukufaneleka kwazo kwizicelo ezahlukeneyo. Iibhetri ze-nickel-hydrogen zinika ubomi obude, ukhuseleko, kunye neenzuzo zokusingqongileyo, zizenza zilungele ukusetyenziswa okukhethekileyo, ngakumbi kwi-aerospace. Ngokwahlukileyo koko, iibhetri ze-lithium-ion zigqwesa kubuninzi bamandla kunye nosetyenziso oluxhaphakileyo, nto leyo ebenza babe lolona khetho lukhethekileyo kubathengi be-elektroniki kunye nezithuthi zombane.

Njengoko imbonakalo yamandla iqhubeleka nokuvela, uphando oluqhubekayo kunye nophuhliso lunokukhokelela kubuchwepheshe obuphuculweyo bebhetri obudibanisa amandla azo zombini iinkqubo ngelixa uthomalalisa ubuthathaka bazo obahlukeneyo. Ikamva logcino lwamandla liya kuxhomekeka kwindlela eyantlukwano, ukusebenzisa iimpawu ezizodwa zobuchwepheshe bebhetri nganye ukuhlangabezana neemfuno zesixokelelwano samandla esizinzileyo.