Process for the synthesis of iron powder

Patent · Tue Nov 08 00:00:00 EST 1983

OSTI ID:7009098

Welbon, W W

A process for preparing iron powder suitable for use in preparing the iron-potassium perchlorate heat-powder fuel mixture used in thermal batteries, comprises preparing a homogeneous, dense iron oxide hydroxide precipitate by homogeneous precipitation from an aqueous mixture of a ferric salt, formic or sulfuric acid, ammonium hydroxide and urea as precipitating agent; and then reducing the dense iron oxide hydroxide by treatment with hydrogen to prepare the iron powder. 2 figs.

• Research Organization: General Electric Co., Boston, MA (United States)
• DOE Contract Number: AC04-76DP00656
• Assignee: ALO; EDB-94-123241
• Patent Number(s): US 4414021; A
• Application Number: PPN: US 6-375519
• OSTI ID: 7009098
• Resource Relation: Patent File Date: 6 May 1982
• Country of Publication: United States
• Language: English

Related Subjects

25 ENERGY STORAGE
IRON
SYNTHESIS
THERMAL BATTERIES
MATERIALS
IRON HYDROXIDES
IRON OXIDES
POTASSIUM PERCHLORATES
REDUCTION
ALKALI METAL COMPOUNDS
CHALCOGENIDES
CHEMICAL REACTIONS
CHLORINE COMPOUNDS
ELECTRIC BATTERIES
ELECTROCHEMICAL CELLS
ELEMENTS
HALOGEN COMPOUNDS
HYDROGEN COMPOUNDS
HYDROXIDES
IRON COMPOUNDS
METALS
OXIDES
OXYGEN COMPOUNDS
PERCHLORATES
POTASSIUM COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS
250903* - Energy Storage- Batteries- Materials
Components
& Auxiliaries