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All Journal Journal of Emerging Science and Engineering International Journal of Renewable Energy Development
Le, Viet Khai
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Control & Systems Engineering Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Environmental Science

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Evaluation of reverse supply chain strategies for end-of-life EV batteries in Vietnam using AHP–TOPSIS Le, Viet Khai; Le, The Anh; Le, Quoc Bay; Thai, Minh Phuong; Le, Nguyen Phuong Lien
Journal of Emerging Science and Engineering Vol. 4 No. 1 (2026)
Publisher : BIORE Scientia Academy

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61435/jese.2026.e61

Abstract

The booming development of electric vehicle (EV) adoption in Vietnam has worsened the problem of end-of-life EV battery management in a sustainable and economically feasible way. Reverse supply chain management (RSCM) plays a critical role in reducing environmental risks, resource dependency, and circular economy goals. However, the choice of suitable reverse supply chain strategies is impaired by several economic, environmental, technical, and policy-related barriers. This study proposes an integrated AHP-TOPSIS framework for the evaluation and prioritization of reverse supply chain alternatives for EV batteries in the Vietnamese context. Ten key barriers were identified, from an extensive literature review and expert consultation by twelve domain specialists. High collection and transportation costs (weight = 0.244) and high recycling and processing expenses (weight = 0.162) were shown to be the most significant barriers when AHP was applied to determine their relative importance. The four options—Direct Recycling, Second-Life Applications, Centralized Recycling, and Decentralized/Hybrid Recycling—were then ranked using TOPSIS. According to the findings, Decentralized/Hybrid Recycling had the highest closeness coefficient, followed by Second-Life Applications, while Direct Recycling had the lowest. The results show how adaptable and localized reverse supply chain topologies can help solve the issue of cost-related barriers. In order to promote sustainable EV battery management in Vietnam, the suggested framework provides policymakers and industry stakeholders with useful insights.
Assessing energy policy effectiveness in Vietnam using multi-criteria decision making Duong, Thi Thuc Anh; Le, Viet Khai; Le, Ngoc Doanh; Vu, Minh Thai; Nguyen, Tien Dat
International Journal of Renewable Energy Development Vol 15, No 3 (2026): May 2026
Publisher : Center of Biomass & Renewable Energy (CBIORE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61435/ijred.2026.62318

Abstract

Vietnam's energy transition is strong, and therefore, Vietnam needs a policy framework appropriate to the current context to promote this sustainable transition. This study assesses energy policy alternatives in Vietnam in order to identify the best policy strategies for sustainable energy transition by using a hybrid Multi-Criteria Decision Making (MCDM) approach. The research basically applies a DEMATEL-VIKOR framework to discuss five policy alternatives: Renewable Energy Promotion (RP), Energy Efficiency and Demand-Side Management (EE&DSM), Grid Modernization (GM), Fossil Fuel Transition (FFT), and Institutional, Regulatory and Market Reform (IR). Seven criteria, from Economic Efficiency (EE) to Policy Consistency (PC), were used for evaluation. The analysis by DEMATEL points to the Institutional and Regulatory Effectiveness (IE) as being the most crucial causal driver with the highest prominence score of 3.84 and a net causality value of 0.53. These results give direct information to the VIKOR analysis, where IR (A5) is the best compromise solution with a perfect Q-index value of 0.00 and the lowest individual regret (R-index) value of 0.08. In comparison, Fossil Fuel Transition (FFT) ranked the worst with a Q-index of 1.00. Sensitivity analysis to prove the robustness of IR as the dominant policy for all decision-making parameters (v). The results have illustrated that the energy policy of Vietnam should place more emphasis on institutional strengthening and grid modernization (Q = 0.22) than stand-alone technological deployment to ensure a stable, efficient, and equitable energy transition.
Co-Authors Duong, Thi Thuc Anh Le, Ngoc Doanh Le, Nguyen Phuong Lien Le, Quoc Bay Le, The Anh Nguyen, Tien Dat Thai, Minh Phuong Vu, Minh Thai