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Class 429/255 - Natural or treated plant materials


Subclass of Class 429 - Chemistry: electrical current producing apparatus, product, and process
Definition: Apparatus wherein the organic component is either a portion
No. of patents: 29
Last issue date: 01/17/2012


NumberTitleIssue Date
8097366Alkaline battery separator comprising alkali-resistance synthetic fiber, fibrillated organic solvent-spun cellulose fiber and mercerized pulp, and alkaline primary battery
An alkaline battery separator including 25 to 62% by mass of an alkali-resistance synthetic fiber, 5 to 25% by mass of a fibrillated organic solvent-spun cellulose fiber having a Canadian standard freeness value of 10 to 280 ml, and 33 to 50% by mass of a mercerized...
01/17/2012
7781104Separator paper for alkaline battery and the alkaline battery
A thin separator paper is provided for separating a positive electrode active material and a negative electrode active material from one another in alkaline battery. The separator paper has high gas tightness, high shortage preventing effect, and low deterioration. ...
08/24/2010
7745051Insulated separator for electrical energy storage system
An electrical storage system includes a first electrode, a second electrode, an insulated separator, and an electrolyte. The second electrode is spaced from the first electrode. The insulated separator is disposed between the first electrode and the second electrode...
06/29/2010
7488558Homogeneous separator
A battery separator for use in zinc alkaline batteries having improved mechanical strength and higher resistance to oxidation comprising cellulose that has been crosslinked with a saturated hydrocarbon group containing between four and sixteen carbon atoms. ...
02/10/2009
7135253High discharge current lithium secondary battery and method of manufacture
To provide a lithium secondary battery with a high critical discharge current even under a low temperature condition, with an excellent cycle characteristic and reduced manufacturing cost. The lithium secondary battery includes a wound type electrode body comprising...
11/14/2006
7022431Thin layer electrochemical cell with self-formed separator
A method of forming an electrochemical cell is disclosed. The method comprises contacting a negative pole layer and a positive pole layer one with the other or with an optional layer interposed therebetween. The pole layers and the optional layer therebetween are se...
04/04/2006
6939645Separator for valve regulated lead acid battery and valve regulated lead acid battery
A separator for a valve regulated lead acid battery is composed mainly of fine glass fibers and also contains inorganic powder, beaten natural pulp, and heat-weldable organic fibers. The heat-weldable organic fibers have a fineness of 1.5 d (deniers) or less and a f...
09/06/2005
6929884Method for manufacture of films containing insoluble solids embedded in cellulose-based films
A film which slowly releases solids is prepared by dissolving cellulose in a solvent such as an alkali metal salt, for example L1Cl in a polar solvent such as DMAC, dispersing the solid in the solution and gelling the solution with water to form a film.
08/16/2005
6743548Silver-zinc alkaline rechargeable battery (stacking order)
A rechargeable, alkaline, zinc-based battery containing a stack of hydrogen permeable cellulose-based films, each one optionally containing a dispersion of metal salts. A film may contain copper salt that reacts with cellulose to prevent zinc dispersion. A second fi...
06/01/2004
6706450Separator for sealed lead acid battery
A separator for a valve-regulated lead acid battery consists mainly of fine glass fibers. The separator includes inorganic powder in an amount of 5 to 30% by weight and natural pulp in an amount of 3 to 20% by weight, and has a density of not less than 0.165 g/cm
03/16/2004
6682854Battery separator with fluoride-containing inorganic salt
Separator for silver-zinc batteries made of cellulose and containing insoluble fluoride ions which when placed next to the cathode slowly release and retard silver deposition thereon....
01/27/2004
6680142Bio-based microbattery and methods for fabrication of same
The invention relates to a microbattery made of bioelectroactive components based on biomimetic processes. Bio-derived electron donors and electron acceptors are separately encapsulated in at least one pair of polymerized phospholipid vesicles. Embedded w...
01/20/2004
6593032Storage battery
A storage battery including an electrode and an electrolyte material, in which the electrode has a grid with a mesh area of about 50 mm2 or less and an active material provided on the grid. Accordingly, it is made possible to prevent a decrease...
07/15/2003
6489054Battery case with edge seal
A battery case for a battery containing swellable cellulose separators including case members having opposed undulating mating surfaces and a rim and groove sized to space the surfaces a predetermined distance apart to form a gripping channel such that th...
12/03/2002
6485867Use of lignins in thermoplastics
The instant invention is directed to the use of lignin in thermoplastics (such as: ultra-high molecular weight polyethylene (UHMWPE)). In the first aspect of the invention, lignins are added to a lead acid battery separator comprising a microporous membra...
11/26/2002
6479190Separator for battery having zinc electrode
The instant invention is directed to a separator for a battery having a zinc electrode. The first embodiment of the separator comprises a microporous membrane and a coating on at least one surface of the membrane. The coating comprises a mixture of cellul...
11/12/2002
6475676Lead acid battery
A lead acid battery has a positive plate containing antimony, a negative plate; and a separator containing an organic compound capable of capturing metal ions. The organic compound is preferably lignin....
11/05/2002
6413674Method of manufacturing highly-airtightened porous paper, highly-airtightened porous paper manufactured by the method, and non-aqueous battery using the paper
Paper that has minute pores, denseness, a high degree of airtightness and is made from cellulose which has superior heat and chemical resistance and is reproducible natural resources. Further, a non-aqueous battery which is improved to a higher level with...
07/02/2002
6294290Electrode binder for a lithium-ion secondary battery and method for manufacturing active material slurry using the same
The present invention provides an electrode binder of a lithium-ion secondary battery. The binder includes at least two materials selected from a polyvinylidene fluoride polymer. The materials have the same chemical component as each other but different p...
09/25/2001
6159634Battery separator
A thin separator for batteries is provided. The separator includes a layer that reduces dendrite shorting and a nonwoven layer. Typically, the separator also includes a laminate layer disposed between the nonwoven layer and the layer which reduces dendrit...
12/12/2000
6074523Method of manufacturing highly-airtightened porous paper
Paper that has minute pores, denseness, a high degree of airtightness and is made from cellulose which has superior heat and chemical resistance and is reproducible natural resources. Further, a non-aqueous battery which is improved to a higher level with...
06/13/2000
5366832Separator for alkaline batteries
A separator for alkaline batteries comprising as at least part of the main fibers a fibrilated product of cellulose fiber obtained by dissolving cellulose in a solvent and depositing cellulose directly. As another main fiber, preferably an extra fine synt...
11/22/1994
5340672Secondary battery
A secondary battery containing at least a negative electrode, a positive electrode, an electrolyte comprising an alkaline metal salt dissolved therein, and a separator in which the said separator includes a high molecular solid electrolyte membrane formed...
08/23/1994
5240785Air cell
The present invention is an air cell of substantially an all-surface open type, which includes a case through which a plurality of windows for air ventilation are provided, a plurality of single cells which are disposed in the case, and an electrolyte bat...
08/31/1993
5221587Lead/sulphuric acid storage battery
A lead/sulphuric acid storage battery with negative and positive electrode plates, between which plastics microporous separators or glass-fiber separators are arranged, comprises un-crosslinked natural or synthetic rubber to combat antimony poisoning in t...
06/22/1993
4812145Process for the production of a battery separator
In an alkaline dry cell battery separator being a laid mat of non-dissolvable polyvinyl alcohol fibers held together by a matrix of dissolved or partially dissolved dissolvable polyvinyl alcohol fibers, the improvement comprising the mat having up to 85% ...
03/14/1989
4767687Battery separator
In an alkaline dry cell battery separator being a laid mat of non-dissolvable polyvinyl alcohol fibers held together by a matrix of dissolved or partially dissolved dissolvable polyvinyl alcohol fibers, the improvement comprising the mat having up to 85% ...
08/30/1988
4737421Method for producing a carbon sheet and a fuel cell separator
The present invention relates to a method for producing a carbon sheet by baking and aims to produce a warpage-free carbon sheet having a high electric conductivity. The present invention is characterized by forming sheets comprising fibrous cellulose, th...
04/12/1988
4245013Battery separators
A synthetic pulp separator for a lead acid battery, the separator having two or more plies and a ribbed profile the surface adapted to face the positive having a higher content of synthetic pulp than the other surface....
01/13/1981
 
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