87. 14 Chemical power sources 1. Classification of batteries D)The way to use Primary battery: Dry battery Secondary/rechargeable battery: Lead-acid battery Fuel cell: direct methanol celll Liquid-fluid cell 2)Type of electrolyte Acidic battery: Lead-acid battery Neutral battery: Neutral dry battery Basic battery: Basic dry battery, Cd-Ni battery1. Classification of batteries 1) The way to use Primary battery: Dry battery Secondary/rechargeable battery: Lead-acid battery Fuel cell: direct methanol cell Liquid-fluid cell: 2) Type of electrolyte Acidic battery: Lead-acid battery Neutral battery: Neutral dry battery Basic battery: Basic dry battery, Cd-Ni battery §7.14 Chemical power sources