Lithium hydroxide can be used as developing agent and lubricating oil for spectral analysis The additive of alkaline battery electrolyte can increase the electric capacity by 12 to 15 and increase the service life by 2 to 3 times It can be used as an absorbent for carbon dioxide and can purify the air in submarines The chemical equation is 2LiOHsCO2gLi2CO3sH2Ol It is used to make lithium salt and lithiumbased grease electrolyte of alkaline battery absorption liquid of lithium bromide refrigerator etc used in petroleum chemical industry light industry nuclear industry etc When used in alkaline batteries the aluminum content is not more than 006 and the lead content is not more than 001 It is used as an analytical reagent a photographic developer and also in the manufacture of lithium it is used as a raw material for the preparation of lithium compounds It can also be used in metallurgy petroleum glass ceramics and other industries Lithium hydroxide is mainly consumed for the production of lithium greases A popular lithium grease is lithium stearate which is a generalpurpose lubricating grease due to its high resistance to water and usefulness at both high and low temperatures Carbon dioxide scrubbing Lithium hydroxide is used in breathing gas purification systems for spacecraft submarines and rebreathers to remove carbon dioxide from exhaled gas by producing lithium carbonate and water It is used as a heat transfer medium and as a storagebattery electrolyte It is also used in ceramics and some Portland cement formulations Lithium hydroxide isotopically enriched in lithium7 is used to alkalize the reactor coolant in pressurized water reactors for corrosion control