Sinadarin makamashi ajiyayana amfani da makamashin lantarki don canza ƙananan abubuwa{0}makamashi zuwa manyan abubuwan makamashi don ajiya, don haka samun damar ajiyar makamashi. A halin yanzu, fasahohin da ake amfani da su sosai a fannin ajiyar makamashin sinadarai sun hada da ajiyar makamashin hydrogen da man roba (kamar methane da methanol) ajiyar makamashi. Ana iya amfani da waɗannan kafofin watsa labaru na ajiya kai tsaye azaman tushen makamashi. Don haka, ta wannan fuska, ajiyar makamashin sinadarai ya bambanta da asali da hanyoyin ajiyar makamashi na gargajiya inda duka shigarwa da fitarwa duka makamashin lantarki ne. Lokacin da masu amfani da ƙarshen za su iya yin amfani da abubuwa kai tsaye kamar hydrogen ko methane (misali, a cikin motocin hayakin mai na hydrogen, tsarin dumama da wutar lantarki, ko masana'antar sinadarai), waɗannan nau'ikan makamashin da aka adana ba sa buƙatar a mayar da su cikin makamashin lantarki a cikin tsarin wutar lantarki, don haka inganta ingantaccen tsarin amfani da makamashi gabaɗaya. Wannan hanyar yin amfani da kai tsaye tana canza ma'ajiyar "makamashi na biyu" na gargajiya yadda ya kamata zuwa ingantaccen tsarin ajiya na "makamashi na uku". Don haka, ajiyar makamashin sinadarai galibi muhimmin hanyar haɗi ne a cikin tsarin canjin makamashi, yana ba da fa'idodi kamar ƙarfin ƙarfin ƙarfi, dogon lokacin ajiya, da ma'auni mai sassauƙa, yana sa ya dace da dogon lokaci, babban ma'auni na makamashi. Bugu da ƙari, ajiyar makamashin sinadarai na iya amfani da ababen more rayuwa na makamashin da ake da su, kamar su bututun iskar gas da wuraren ajiyar mai, da rage farashin turawa. Don haka, ajiyar makamashin sinadarai yana da babban yuwuwar haɓakawa a cikin haɗin ginin makamashi mai sabuntawa, buƙatun zafin masana'antu, da sufuri, musamman wajen magance rashin ƙarfi na makamashi mai sabuntawa.
Adana makamashin hydrogen
Adana makamashin hydrogen fasaha ce da ke juyar da makamashin lantarki zuwa hydrogen don ajiya. Jigon sa ya ƙunshi samar da hydrogen ta hanyar lantarki ta ruwa ko wasu hanyoyin sinadarai, da kuma sakin kuzari lokacin da ake buƙata ta ƙwayoyin mai ko konewa kai tsaye. Hydrogen, a matsayin tushen makamashi mai tsafta na biyu, yana fasalta yawan ƙarfin kuzari da sifili da hayaƙin carbon, kuma ana amfani dashi sosai a cikin sufuri, masana'antu, da ajiyar makamashi. Mabuɗin ƙalubalen fasahar ajiyar hydrogen sun ta'allaka ne a cikin ingantaccen samarwa, ajiya, da jigilar hydrogen. A halin yanzu, manyan hanyoyin ajiyar hydrogen sun haɗa da ma'ajiyar hydrogen mai ƙarfi{4}, ma'ajiyar ruwa ta cryogenic, da kuma ma'ajin hydrogen mai ƙarfi (kamar ƙarfe hydride hydrogen ajiya). Kodayake tsarin ajiyar hydrogen yana da tsada sosai, tare da ci gaban fasaha, musamman haɓaka fasahar samar da koren hydrogen, ana ɗaukar ajiyar makamashin hydrogen ɗaya daga cikin mahimman mafita don cimma zurfin decarbonization da haɓaka canjin makamashi a nan gaba, musamman dacewa da manyan{7}} sikeli, dogon lokaci{{8} ajiyar makamashi da nauyi{9}} aikace-aikacen jigilar kaya.
Man fetur na roba ajiyar makamashi
Ma'ajiyar man fetur ta roba tana amfani da wutar lantarki don samar da makamashin sinadarai (kamar iskar gas na roba da gas ɗin ruwa na roba) na dogon lokaci{0} ajiyar makamashi. Wannan fasaha ta kunshi electrolysing ruwa don samar da hydrogen, wanda sai a hada shi da carbon dioxide don hada hydrocarbons kamar methane, methanol, ko dizal roba. Ana iya adanawa da jigilar waɗannan kayan aikin roba, kuma idan an buƙata, ana canza su zuwa makamashin lantarki ko na inji ta hanyar konewa ko a cikin ƙwayoyin mai. Amfanin ajiyar man fetur na roba ya ta'allaka ne cikin dacewarsa tare da ababen more rayuwa na makamashi, irin su bututun iskar gas da ake da su, ma'ajiyar mai da tsarin rarrabawa, wanda hakan ya sa ya dace da dogon lokaci, manyan ma'auni{{5}. Bugu da ƙari, man fetur na roba na iya zama mafi girma{7}}arin aske don samar da makamashi mai sabuntawa, yana taimakawa daidaita grid ɗin wutar lantarki. Kodayake man fetur na roba yana da ƙarancin inganci gabaɗaya da tsada mai yawa, tare da haɓaka samar da makamashi mai sabuntawa da ci gaba a cikin fasahar kama carbon da amfani da shi, ana sa ran ajiyar man da za a yi amfani da shi zai zama muhimmin sashi na tsarin makamashin carbon nan gaba-.