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ELECTROCHEMICAL SECONDARY BATTERY HAVING INBUILT CHARGING CIRCUIT
ELECTROCHEMICAL SECONDARY BATTERY HAVING INBUILT CHARGING CIRCUIT
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机译:内置充电电路的电化学二次电池
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摘要
An electrochemical secondary battery (100) having an inbuilt charging circuit comprises a battery housing (101), a battery cell (102), a positive electrode cap (105), a negative electrode cap (103), a circuit board module (104), and an insulating washer (106). A recessed loop line (107) structure is provided at an end of the battery housing (100) in proximity to the negative electrode cap (103). The battery cell (102) is arranged within the battery housing (101) and arranged between the positive electrode cap (105) and the loop line (107) structure. The positive electrode cap (105) is connected to the battery housing (101) to constitute the positive electrode of the secondary battery. The negative electrode cap (103) is arranged on the circuit board module (104). The circuit board module (104) is arranged between the loop line (107) and the negative electrode cap (103). The circuit board module (104) is configured with the diameter thereof being sized between the inner diameter of a recess constituted by the loop line (107) and the inner diameter of the battery housing (101), thus being engaged at either side of the loop line and separated from the battery cell (102). Electrode connecting wires (108a and 108b) are arranged on the battery cell (102). At least one through hole is provided on the circuit board module (104). An electrically-conductive material is coated onto the inner surface of the through hole. The insulating washer (106) is arranged in a gap between both the battery housing (101) and the circuit board module (104) and the negative electrode cap (103), thus pressingly fixing the circuit board module (104) between the loop line (107) and the battery housing (101), and separating the battery housing (101) from the negative electrode cap (103).
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