Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Electrode
Patent
1996-03-14
1998-09-22
Nuzzolillo, M.
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Electrode
429 2, 296231, H01M 402
Patent
active
058112073
ABSTRACT:
The invention relates to a charge exchange body with a large active surface as well as the method for its manufacture. The porous supporting structure of the charge exchange body is made of granular structural material, with the average diameter of the grains of the structural material being smaller than 1 .mu.m, especially smaller than 250 nm, and with the grain size differing by a maximum of 40% from its statistical average in more than 60% of the grains of the structural material. In order to make such grains, a dispersion is mixed with biochemical hollow bodies that have an inside diameter according to the above requirements. Salts are added to the dispersion and dissolve therein to form structural ions, with the structural ion being an ion of an element required for the structural material, or a corresponding compound. The structural ions are arranged in the closed cavity of the hollow body, with the grains of the structural material or a preproduct of corresponding shape being formed with them and released by removal of the shells of the hollow bodies.
REFERENCES:
patent: 3881960 (1975-05-01), Haschka et al.
patent: 5147841 (1992-09-01), Wilcoxon
Hilpert Reinhold
Maly-Schreiber Martha
Ritter Josef
Zyl Aronld van
Daimler-Benz AG
Nuzzolillo M.
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