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Title: Method of synthesis of proton conducting materials

Patent ·
OSTI ID:1176355
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A method of producing a proton conducting material, comprising adding a pyrophosphate salt to a solvent to produce a dissolved pyrophosphate salt; adding an inorganic acid salt to a solvent to produce a dissolved inorganic acid salt; adding the dissolved inorganic acid salt to the dissolved pyrophosphate salt to produce a mixture; substantially evaporating the solvent from the mixture to produce a precipitate; and calcining the precipitate at a temperature of from about 400.degree. C. to about 1200.degree. C.

Research Organization:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC52-06NA25396
Assignee:
Los Alamos National Security, LLC (Los Alamos, NM)
Patent Number(s):
7,736,547
Application Number:
12/075,356
OSTI ID:
1176355
Country of Publication:
United States
Language:
English

References (12)

Performance of an Intermediate-Temperature Fuel Cell Using a Proton-Conducting Sn[sub 0.9]In[sub 0.1]P[sub 2]O[sub 7] Electrolyte journal January 2006
Synthesis and Conductivity of Indium-Doped Tin Pyrophosphates conference January 2007
Thermodynamic Aspects of the Reaction of Lithium with SnP[sub 2]O[sub 7] Based Positive Electrodes journal January 2007
Efficient iterative schemes for ab initio total-energy calculations using a plane-wave basis set journal October 1996
Proton Conduction in In[sup 3+]-Doped SnP[sub 2]O[sub 7] at Intermediate Temperatures journal January 2006
The promise of protonics journal April 2001
Solid acids as fuel cell electrolytes journal April 2001
Pyrophosphates of Tetravalent Elements and a Mössbauer Study of SnP 2 O 7 journal January 1975
High-Performance Solid Acid Fuel Cells Through Humidity Stabilization journal January 2004
Structure and Phase Transitions of SnP2O7 journal June 2002
A Proton-Conducting In[sup 3+]-Doped SnP[sub 2]O[sub 7] Electrolyte for Intermediate-Temperature Fuel Cells journal January 2006
Proton Conductivity:  Materials and Applications journal January 1996

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36 MATERIALS SCIENCE