Hatimin carbon na injina yana da dogon tarihi. Graphite isoform ne na sinadarin carbon. A shekara ta 1971, {asar Amirka ta yi nazari kan nasarar da aka samu, wanda ya warware matsalar bawul ɗin makamashin atomic. Bayan aiki mai zurfi, graphite mai sassauƙa ya zama kyakkyawan abin rufewa, wanda aka sanya shi cikin hatimin injin carbon daban-daban tare da tasirin abubuwan rufewa. Ana amfani da waɗannan hatimin injin carbon a cikin sinadarai, man fetur, masana'antar wutar lantarki kamar hatimin ruwan zafi mai zafi.
Saboda m graphite yana samuwa ta hanyar fadada fadada graphite bayan babban zafin jiki, adadin adadin intercalating da ya rage a cikin graphite mai sauƙi yana da ƙananan ƙananan, amma ba gaba ɗaya ba, don haka wanzuwa da abun da ke ciki na wakilin intercalation yana da tasiri mai girma akan inganci. da aikin samfurin.
