JP2013171738A5 - - Google Patents

Claims (7)

An electrode lead wire member drawn from a non-aqueous battery storage container using a laminate film laminate having at least a metal foil and a first sealant layer made of a sealant resin film as an exterior material,
A lead-out sealing portion made of metal, and on the surface of the lead-out sealing portion, a corrosion-resistant thin film coating layer and a sealant resin film using the same kind of resin as the first sealant layer, A second sealant layer thermally bonded to one sealant layer, the thin film coating layer is made water resistant by crosslinking or amorphization by heat treatment, and the thin film coating layer is The lead-out sealing part has a width of at least 2 mm or more in the length direction, is narrower than the second sealant layer, or has a width equal to or greater than that of the second sealant layer. Electrode lead wire member.   Chemical conversion treatment with a treatment liquid containing the chromium trifluoride compound and a water-soluble resin in the thin film coating layer, with a treatment liquid containing a chromium trifluoride compound, a trivalent chromium carbonate compound and a water-soluble resin. Selected from the group of chemical conversion treatments consisting of chemical treatment, chromate treatment, phosphate treatment, zirconium treatment, triazine thiol treatment with a treatment solution containing a hydrofluoric acid aqueous solution, a trivalent chromium carbonate compound and a water-soluble resin. The electrode lead wire member according to claim 1, wherein the electrode lead wire member comprises a chemical conversion treatment layer formed by applying any one or more of them.   Of the lead-out sealing part, a portion connecting the lead-out sealing part to the current collector part of the electrode body of the non-aqueous battery, and an electrode lead wire member drawn out from the plurality of non-aqueous battery storage containers, in series, Alternatively, the thin film coating layer is not formed on the portion connected and connected in parallel, and a chromium trifluoride compound and a water-soluble resin are formed on a part of the surface of the lead-out sealing portion. Chemical conversion treatment with the treatment liquid contained Chemical conversion treatment with a treatment liquid containing a chromium trifluoride compound, a trivalent chromium carbonate compound and a water-soluble resin, a hydrofluoric acid aqueous solution, a trivalent chromium carbonate compound and a water-soluble resin The chemical conversion treatment group containing the chemical conversion treatment, the chromate treatment, the phosphate treatment, the zirconium treatment, and the triazine thiol treatment are not applied. Electrode lead wire member.   The electrode lead wire member according to any one of claims 1 to 3, wherein the thin film coating layer is made of a resin containing a hydroxyl group.   5. The electrode lead wire member according to claim 1, wherein the thin film coating layer is made of a resin having a polyvinyl alcohol skeleton containing a hydroxyl group or a copolymer resin thereof. The second sealant layer, the sealant resin film polyolefin maleic anhydride-modified, or any of claims 1-5, characterized in that the sealant resin film of the polyolefin modified with epoxy functionality The electrode lead wire member as described in 2. The thickness of the second sealant layer is 50 μm or more and 300 μm or less, and the thickness of the thin film coating layer is 0.2 to 5.0 μm, and the thin film coating layer and the first layer laminated thereon are stacked. The electrode lead according to any one of claims 1 to 6 , wherein the delamination strength with the sealant layer 2 is 10 N / inch or more as measured by a peeling measurement method A defined in JIS C6471. Wire member.