Research On Battery Closed-Loop Supply Chain Pricing Of New Energy Vehicles Under Government Subsidies

2021 is the first year when a large number of new energy vehicle power batteries are retired.Countries at home and abroad are stepping up the deployment and improvement of the domestic waste battery recycling system.There are also many recyclers in China’s market to carry out waste battery recycling business and provide consumers with renovated or remanufactured power batteries.In the current recycling system in China,there are three types of recyclers: battery manufacturers,automobile manufacturers and third-party recyclers.In the face of a large number of waste batteries in urgent need of recycling in the market,the three types of recyclers adopt different operation modes in the recycling process.The third-party recyclers cooperate with battery manufacturers to recycle waste batteries,Third party recyclers cooperate with automobile manufacturers to recycle waste batteries.Therefore,this thesis considers the impact of consumer recycling price sensitivity on the supply chain and the impact of government subsidies on the whole system under two different recycling modes.Two battery closed-loop supply chain models including two new energy vehicle battery manufacturers,one new energy vehicle manufacturer(4S store)and a third-party waste battery recycler(echelon utilization enterprise)are established.Using the game theory,chaos and nonlinear dynamics theory,this thesis studies the recovery pricing and profit of various recyclers in different recovery modes from the perspective of static game.From the perspective of dynamic game,the stability and complexity of recycling system are studied.The main innovations of this thesis are as follows:This thesis studies the recovery pricing and profit of closed-loop supply chain by using the method of static game.It is found that under the two recovery modes,when the third-party recycler cooperates with the battery manufacturer to recover the waste battery.The recovery pricing of the third-party recycler as the pricing follower is greater than that of the pricing leader battery manufacturer.When the third-party recycler cooperates with the battery manufacturer to recycle the waste battery,the recycling price of the automobile manufacturer is greater than that of the battery manufacturer.This thesis studies the recycling pricing decision-making system of each recycler in the supply chain using Stackelberg game under two recycling modes by using the method of dynamic game.By analyzing the equilibrium solution of the recycling pricing decision-making system,this thesis studies the stability of the two recycling modes,compares the stability region of each stage under the two recycling modes,and further analyzes the bifurcation and chaos of the recycling pricing system,Finally,it is found that if the recovery pricing decision-maker adjusts the pricing too much,it will lead to the chaotic state of the system and affect the profit of the supply chain.In order to reduce the influence of chaotic state,an adaptive chaotic control method is used to make the system return to stable state.