Method for manufacturing battery wiring module
Provided is a method for manufacturing battery wiring module including: a coating step of coating one long side portion of an elongated flat plate conductor and outer peripheral portions of linear conductors disposed in parallel along the long side portion with a predetermined gap therebetween having a predetermined gap with respect to the long side portion by a first insulating resin portion; and a pressing step of separating the flat plate conductor at a predetermined gap in the longitudinal direction of the flat plate conductor and forming a plurality of busbar electrically connecting electrode terminals provided in at least two battery cells connected to each other in the same direction among the plurality of battery cells overlapping each other in the same direction, the electrode terminals being arranged in parallel in the same direction.
1. A method for manufacturing a battery wiring module, the method comprising:
a coating step of coating one long side portion of an elongated flat plate conductor and outer peripheral portions of a plurality of linear conductors by an insulating resin portion, the plurality of linear conductors being disposed in parallel along the long side portion with a predetermined gap therebetween while also having a predetermined gap with respect to the long side portion;
a pressing step of separating the flat plate conductor at a predetermined gap in a longitudinal direction of the flat plate conductor, and of forming a plurality of busbars electrically connecting electrode terminals provided in at least two battery cells connected to each other in a same direction among a plurality of battery cells overlapping each other in the same direction, the electrode terminals being arranged in parallel in the same direction; and
a connecting step of electrically connecting the plurality of linear conductors to the busbars.
2. The method for manufacturing a battery wiring module according to claim 1 , wherein
in the pressing step, a terminal insertion hole causing an electrode terminal of the electrode terminals to be inserted therethrough is formed in each of the busbars.
3. The method for manufacturing a battery wiring module according to claim 1 , wherein
in the connecting step, the plurality of linear conductors disposed on one end of the insulating resin portion is separated, and the linear conductor of the one end is electrically connected to a busbar.
4. The method for manufacturing a battery wiring module according to claim 2 , wherein
in the connecting step, the plurality of linear conductors disposed on one end of the insulating resin portion is separated, and the linear conductor of the one end is electrically connected to a busbar.
5. The method for manufacturing a battery wiring module according to claim 1 , wherein
in the connecting step, one end of a connection conductor is press-connected to the plurality of linear conductors coated by the insulating resin portion, and another end of the connection conductor is electrically connected to a busbar.
6. The method for manufacturing a battery wiring module according to claim 2 , wherein
in the connecting step, one end of a connection conductor is press-connected to the plurality of linear conductor coated by the insulating resin portion, and another end of the connection conductor is electrically connected to a busbar.
7. The method for manufacturing a battery wiring module according to claim 1 , wherein
in the pressing step, a cathode busbar electrically connected only to a cathode terminal and an anode busbar electrically connected only to an anode terminal are formed along with the busbars, and a cut raised portion is formed in each of the cathode busbar and the anode busbar, and
in the connecting step, the cut raised portion is electrically connected to the plurality of linear conductors coated by the insulating resin portion.
8. The method for manufacturing a battery wiring module according to claim 2 , wherein
in the pressing step, a cathode busbar electrically connected only to a cathode terminal and an anode busbar electrically connected only to an anode terminal are formed along with the busbars, and a cut raised portion is formed in each of the cathode busbar and the anode busbar, and
in the connecting step, the cut raised portion is electrically connected to the plurality of linear conductors coated by the insulating resin portion.
9. The method for manufacturing a battery wiring module according to claim 3 , wherein
in the pressing step, a cathode busbar electrically connected only to a cathode terminal and an anode busbar electrically connected only to an anode terminal are formed along with the busbars, and a cut raised portion is formed in each of the cathode busbar and the anode busbar, and
in the connecting step, the cut raised portion is electrically connected to the plurality of linear conductors coated by the insulating resin portion.
10. The method for manufacturing a battery wiring module according to claim 5 , wherein
in the pressing step, a cathode busbar electrically connected only to a cathode terminal and an anode busbar electrically connected only to an anode terminal are formed along with the busbars, and a cut raised portion is formed in each of the cathode busbar and the anode busbar, and
in the connecting step, the cut raised portion is electrically connected to the plurality of linear conductors coated by the insulating resin portion.
11. The method for manufacturing a battery wiring module according to claim 1 , wherein
a step of forming a connection reinforcement portion in the long side portion of the flat plate conductor so as to increase a connection force between the insulating resin portion and the flat plate conductor is provided before the coating step.
12. The method for manufacturing a battery wiring module according to claim 2 , wherein
a step of forming a connection reinforcement portion in the long side portion of the flat plate conductor so as to increase a connection force between the insulating resin portion and the flat plate conductor is provided before the coating step.
13. The method for manufacturing a battery wiring module according to claim 3 , wherein
a step of forming a connection reinforcement portion in the long side portion of the flat plate conductor so as to increase a connection force between the insulating resin portion and the flat plate conductor is provided before the coating step.
14. The method for manufacturing a battery wiring module according to claim 5 , wherein
a step of forming a connection reinforcement portion in the long side portion of the flat plate conductor so as to increase a connection force between the insulating resin portion and the flat plate conductor is provided before the coating step.
15. The method for manufacturing a battery wiring module according to claim 7 , wherein
a step of forming a connection reinforcement portion in the long side portion of the flat plate conductor so as to increase a connection force between the insulating resin portion and the flat plate conductor is provided before the coating step.
16. The method for manufacturing a battery wiring module according to claim 1 , wherein
in the coating step, one long side portion of the flat plate conductor is coated by a first insulating resin portion as the insulating resin portion, and another long side portion of the flat plate conductor is coated by a second insulating resin portion.
17. The method for manufacturing a battery wiring module according to claim 2 , wherein
in the coating step, one long side portion of the flat plate conductor is coated by a first insulating resin portion as the insulating resin portion, and another long side portion of the flat plate conductor is coated by a second insulating resin portion.
18. The method for manufacturing a battery wiring module according to claim 3 , wherein
in the coating step, one long side portion of the flat plate conductor is coated by a first insulating resin portion as the insulating resin portion, and another long side portion of the flat plate conductor is coated by a second insulating resin portion.
19. The method for manufacturing a battery wiring module according to claim 5 , wherein
in the coating step, one long side portion of the flat plate conductor is coated by a first insulating resin portion as the insulating resin portion, and another long side portion of the flat plate conductor is coated by a second insulating resin portion.
20. The method for manufacturing a battery wiring module according to claim 7 , wherein
in the coating step, one long side portion of the flat plate conductor is coated by a first insulating resin portion as the insulating resin portion, and another long side portion of the flat plate conductor is coated by a second insulating resin portion.