ʻO ka pahu graphite paʻi wahie no ka pahu wahie, ka pepa Graphite, ka pā graphite bipolar

ʻO ka wehewehe pōkole:

ʻO ke kelepona wahie he mea kemika e hoʻololi pololei i ka ikehu kemika o ka wahie i ikehu uila, i ʻike ʻia hoʻi he mea hoʻoheheʻe electrochemical. ʻO ia ka hā o ka ʻenehana hana mana ma hope o ka hydropower, ka mana wela a me ka mana nuklea. No ka mea, hoʻololi ka wahie cell i kekahi hapa o ka ikehu manuahi Gibbs i ka ikehu kemika o ka wahie i ka ikehu uila ma o ka hopena electrochemical, ʻaʻole i kaupalena ʻia e ka hopena pōʻai Carnot, no laila he kiʻekiʻe ka hana; Eia kekahi, hoʻohana ka wahie i ka wahie a me ka oxygen e like me nā mea maka; ʻAʻohe ʻāpana hoʻoili mīkini, no laila ʻaʻohe leo hoʻohaumia a liʻiliʻi loa nā kinoea ʻino i hoʻokuʻu ʻia. Hōʻike kēia mai ka hiʻohiʻona o ka mālama ʻana i ka ikehu a me ka mālama ʻana i ke kaiaola, ʻo nā cell fuel ka ʻenehana hoʻomohala mana loa. ʻO ka pāpaʻi bipolar graphite kekahi ʻano o ka pā uila uila wahie.