JIS D0202 PDF

JIS D General rules of coating films for automobile parts (FOREIGN STANDARD). standard by Japanese Industrial Standard. JIS D General rules of coating films for automobile parts (FOREIGN STANDARD. JIS D /AMENDMENT 1 – JIS D /AMENDMENT General rules of coating films for automobile parts (Amendment 1).

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Electric Pencil Hardness Tester

A secondary-battery current collector comprising an aluminum foil and a film containing an ion-permeable compound and carbon fine particles formed thereon or a secondary-battery current collector comprising an aluminum foil, a film containing an ion-permeable compound and carbon fine particles formed thereon as the lower layer, and a film containing a binder, carbon fine particles and a cathodic electroactive material formed thereon as the upper layer, a production method of the same, and a secondary battery having the current collector are provided.

Coating solution, electric collector, and method for producing electric collector. The cycle characteristics of the lithium-ion secondary battery thus obtained were determined.

In addition, these polymers have a smaller average molecular weight at approximately 50, and are not sufficiently adhesive to metal foil. On the other hand, there are polymers having an average molecular weight of 50, or more such as the PVDF, PTFE, and others described above, and these polymers are sufficiently adhesive to the metal foil but not resistant to organic solvent as, they swell in the organic solvent.

The contents, results, and technical data from this site may not be reproduced either electronically, photographically or substantively without permission from MatWeb, LLC. In addition, it is necessary to use the fine particles in an amount as small as possible for preservation of its battery capacity.

Negative electrode for lithium secondary battery, manufacturing method thereof, and lithium secondary battery. Please read our License Agreement regarding materials data and our Privacy Policy. A lithium-ion secondary battery was prepared in a similar manner to Example 1, except that the ion-permeable compound used in Example 5 was replaced with the PVDF binder above compound resistant to exfoliation in the organic-solvent peeling testand the retention rate from initial capacity and the internal resistance were determined under the conditions similar to those in Example 1, and the results are summarized in Tables 1 and 2.

Japanese Unexamined Patent Publication No. Such characteristics of the secondary-battery current collector and others according to the invention expand application of the devices carrying a secondary battery and the range of industrial applications thereof. The anodic electroactive material used then was graphite; the conductive carbon fine particles, acetylene black; the binder, polyvinylidene fluoride PVDF ; and the solvent, N-methylpyrrolidone NMP.

Indeed, certain features of the invention may be capable of overcoming certain disadvantages, while still retaining some or all of the features, embodiments, methods, and apparatus disclosed therein. In Example 4, the ion-permeable compound used in Example 1 was replaced with a compound non-swelling in NMP, a polysaccharide polymer chitosan crosslinked with trimellitic anhydride, and NMP was used as the solvent.

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A lithium-ion secondary battery was prepared in a similar manner to Example 5, except the modifications above. For that reason, a battery, which loses its capacity rapidly, should be recharged once again. US USB2 en A secondary-battery cathode comprising: Thus, the present invention relates to the followings:. Example 4 In Example 4, the ion-permeable compound used in Example 1 was replaced with a compound non-swelling in NMP, a polysaccharide polymer chitosan crosslinked with trimellitic anhydride, and NMP was used as the solvent.

Users viewing this material also viewed the following: The cathodic electroactive material used then was lithium cobaltate; the conductive carbon fine particles, acetylene black; the binder, polyvinylidene fluoride PVDF ; and the solvent, N-methylpyrrolidone NMP. The molecular weight thereof was 31, as determined by GPC. The electron-conductive carbon fine particles for use in the present invention are not particularly limited, but favorable are fine particles of acetylene black and Ketjen black, gas-phase carbon fiber, graphite fine particles, and the like.

Although it was possible to prepare a secondary battery, the current collector having a film containing carbon fine particles after preparation resulted in significant exfoliation of the current collector surface when it is subjected to the tape-peeling test, suggesting that the secondary battery would not withstand use for an extended period of time even if it had favorable initial characteristics.

A greater amount of current is needed for generation of greater power. Year of fee payment: Evaluation of the performance of the secondary-battery current collector according to the present invention as battery can performed by preparing an electrode with the current collector and forming a secondary battery together with a known separator and organic electrolyte solution. The solvent used was NMP, and the weight ratio of ion-permeable compound: Then, a polysaccharide polymer chitosan crosslinked with pyromellitic anhydride was made prepared as an ion-permeable compound 4.

Current collector for secondary battery, positive electrode for secondary battery, negative electrode for secondary battery, secondary battery, and manufacturing method of them. Login to see your most recently viewed materials here. The current collector according to the present invention may have two films, upper and lower layers, on the aluminum foil.

Any one of known materials may be used as the anodic electroactive material for anode. In the following paragraphs, some preferred embodiments of the invention will be described by way of example and not limitation. Recently, there is an increasing trend toward application of such a high-performance ji battery in the fields demanding power such as automobiles, which gave rise to problems not foreseen from conventional smaller batteries.

Hereinafter, the present invention will be described specifically d020 reference to Examples and Jjs Examples, but it should be understood that the present invention is not restricted by the following Examples.

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The internal resistance of the secondary batteries was also determined. The composition of the film is adjusted in the step of forming a paste for the film. Examples of the crosslinking agents for use include acrylamide, acrylonitrile, chitosan pyrrolidone carboxylate salt, hydroxypropylchitosan, and acid anhydrides such as phthalic anhydride, maleic anhydride, trimellitic anhydride, and pyromellitic anhydride, and the like.

Please click here if you are a supplier and would like information on how to add your listing to this material. For that reason, use of electron-conductive carbon fine particles having an anisotropic shape is desirable.

Alternatively, the performance of the secondary battery according to the present invention can be evaluated, as it is installed in a vehicle such as automobile or bicycle or an electric power tool e.

Metal foil, metal foil manufacturing method and method for manufacturing electrode using the same. These properties can be determined by using a swelling test in solvent, a peeling test by using a cloth previously immersed in a solvent abrasion testand a tape-peeling test JIS D The metal foil used then is generally an aluminum foil, and, for example, polyvinylidene fluoride PVDF or polytetrafluoroethylene PTFE is used as the binder for immobilizing the cathodic electroactive material and carbon fine particles thereon.

TECHNICAL FIELD The present invention relates to a lithium ion secondary-battery current collector, a secondary-battery cathode, a secondary-battery anode, a secondary battery and methods of producing the same, and also to a high-performance material giving a lithium-ion secondary battery superior in quick-recharge characteristics.

M Year of fee payment: The copper foil is also similar, and a rolled copper foil or an electrolytic copper foil is used favorably. The retention rate from initial capacity and the internal resistance thereof were determined similarly, and the results are summarized in Table 1.

The language present invention or invention should not be improperly interpreted as an identification of criticality, should not be improperly interpreted as applying across all aspects or embodiments i. The thickness of the film, as determined after drying, was 0. The retention rate from initial capacity and the internal resistance thereof were determined similarly, and the results are summarized in Tables 1 and 2.

Example 3 In Example 3, the aluminum foil material A used in Example 2 was replaced with an aluminum foil A, and a compound resistant to exfoliation in a peeling test with organic solvent, i. Anode active material and method of manufacturing the same and lithium secondary battery using the same. A compound resistant to exfoliation in a tape-peeling test, a polysaccharide polymer chitosan crosslinked with acrylonitrile, was prepared as the replacement for the ion-permeable compound used in Example 5.