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Technological Achievements |
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| At present, BAK has applied 167 patents in total, among which 58 patents are invented and it takes up 34.37% of the total number of patents. The other 101 patents are practical and new, in which there are 4 patents for appearance design and 4 patents for PTC. These patents mainly cover the field of positive material, negative material, electrolyte, manufacturing technics of battery, configuration of battery and equipment for making battery.
The below is part of the patents opened to public by BAK
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Item |
Name |
Sort |
Application Number |
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1 |
The quadrate shell of lithium battery cell and methods of manufacturing the same |
invention |
CN01109135.5 |
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2 |
A lithium battery cover board holding blast-proof film and the methods of manufacturing the same |
invention |
CN01123958.1 |
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3 |
The Jelly Roll Set of li-ion storage cell |
Utility
Model
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CN200420042990.7 |
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4 |
Laser jointing minor device for battery shell |
Utility
Model |
CN200420044120.3 |
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5 |
winding device for secondary battery cell |
Utility
Model |
CN200420044119.0 |
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6 |
Hermetic Li-ion Battery |
Utility
Model |
CN200420046932.1 |
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7 |
A Set For Testing Battery Explosion-proof Equipment |
Utility
Model |
CN200420070897.7 |
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8 |
Cover board for lithium secondary battery |
Utility
Model |
CN200420070895.8 |
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9 |
A Automatic Resistance Weld Machine |
Utility
Model |
CN200420072100.7 |
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10 |
Automatic Capper For Battery |
Utility
Model |
CN200420095904.9 |
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11 |
Tectorial Machine |
Utility
Model |
CN200420057542.4 |
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12 |
Li-ion Battery |
Utility
Model |
CN200420070898.1 |
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13 |
Columniform Li-ion Battery |
Utility
Model |
CN200420071175.3 |
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14 |
Battery cover plate |
Appearance Design |
CN200430032963.7 | | |
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