There are provided a cluster of thin sheet graphite crystals or the like which is useful as an electrode material for lithium ion batteries, hybrid capacitors and the like, and a method for efficiently producing the same at high productivity. The method is...

Preparation of molecular hydrogen (I) comprises adding metallic aluminum and/or aluminum alloy in an aqueous aluminum chloride solution and dissolving under the formation of polyaluminumchloride. Independent claims are also included for: (1) a method of op...