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Collective quantum batteries (QBs) demonstrate remarkable acceleration in charging dynamics compared to their individual counterparts, underscoring the pivotal contribution of quantum correlations to advanced energy storage paradigms. A…

Quantum Physics · Physics 2025-03-05 Hai-Long Shi , Li Gan , Kun Zhang , Xiao-Hui Wang , Wen-Li Yang

Recently, an unconditional advantage has been demonstrated for the process of charging of a quantum battery in a collisional model. Motivated by the question of whether such an advantage could be observed experimentally, we consider a model…

The realization of scalable quantum battery architectures requires concern not only with how much energy can be stored, but also with how energy is transported, distributed, and converted into extractable work across connected battery…

Quantum Physics · Physics 2026-03-25 Bing-Bing Liu , Rui Chen , Jin-Lei Wu , Gang Chen , Shi-Lei Su

We study a quantum battery made out of $N$ non-mutually interacting qubits coupled to a dissipative single electromagnetic field mode in a resonator. We quantify the charging energy, ergotropy, transfer rate, and power of the system,…

Quantum Physics · Physics 2022-06-20 Javier Carrasco , Jerónimo R. Maze , Carla Hermann-Avigliano , Felipe Barra

Energy dissipation, typically considered an undesirable process, has recently been shown to be harnessed as a resource to optimize the performance of a quantum battery. Following this perspective, we introduce a novel technique of charging…

Quantum Physics · Physics 2025-03-17 Borhan Ahmadi , Paweł Mazurek , Shabir Barzanjeh , Paweł Horodecki

Quantum batteries have emerged as promising devices that work within the quantum regime and provide energy storage and power delivery. In this work, we explore the interplay between the battery and charger Hamiltonians, focusing on…

Quantum Physics · Physics 2025-11-21 Rohit Kumar Shukla , Rajiv Kumar , Ujjwal Sen , Sunil K. Mishra

A quantum system which can store energy, and from which one can extract useful work, is known as a quantum battery. Such a device raises interesting issues surrounding how quantum physics can provide certain advantages in the charging,…

Quantum Physics · Physics 2024-05-21 C. A. Downing , M. S. Ukhtary

Precision, robustness, and efficiency are crucial aspects in the design of quantum technologies. Here, we show how genuine quantum features, together with non-Gaussianity, can be the key elements to achieve the best of these three aspects…

Quantum Physics · Physics 2026-01-21 Davide Rinaldi , Radim Filip , Dario Gerace , Giacomo Guarnieri

Quantum battery (QB) is a conceptually new energy storage and conversion device, which consists usually of a quantum charger and an energy store (called usually as the QB for simplicity). The demonstrated advantage of QB, over its classical…

Quantum Physics · Physics 2025-07-04 Y. F. Li , S. R. He , P. H. Ouyang , X. N. Feng , L. F. Wei

Exploiting quantum effects for energy storage, quantum batteries (QBs) offer compelling advantages over conventional ones in terms of superior energy density, ultrafast charging, and high conversion efficiency. However, their realization is…

Quantum Physics · Physics 2026-03-27 Rong-Fang Liu , Wan-Lu Song , Wan-Li Yang , Hua Guan , Jun-Hong An

We propose novel charging protocols for quantum batteries based on quantum superpositions of trajectories. Specifically, we consider that a qubit (the battery) interacts with multiple cavities or a single cavity at various positions, where…

Quantum Physics · Physics 2024-05-13 Po-Rong Lai , Jhen-Dong Lin , Yi-Te Huang , Yueh-Nan Chen

Machine learning offers a promising methodology to tackle complex challenges in quantum physics. In the realm of quantum batteries (QBs), model construction and performance optimization are central tasks. Here, we propose a…

Quantum Physics · Physics 2025-12-22 Peng-Yu Sun , Hang Zhou , Fu-Quan Dou

In this work, we investigate autonomous charging of a quantum battery coupled to a structured reservoir composed of two qubits, each locally coupled to its own bosonic thermal bath. Moreover, the reservoir interacts with a charger-battery…

The quantum battery (QB) makes use of quantum effects to store and supply energy, which may outperform its classical counterpart. However, there are two challenges in this field. One is that the environment-induced decoherence causes the…

Quantum Physics · Physics 2024-02-29 Wan-Lu Song , Hai-Bin Liu , Bin Zhou , Wan-Li Yang , Jun-Hong An

As a quantum thermodynamic device that utilizes quantum systems for energy storage and delivery, the quantum battery (QB) is expected to offer revolutionary advantages in terms of increasing the charging power and the extractable work by…

Quantum Physics · Physics 2025-07-10 Wan-Lu Song , Ji-Ling Wang , Bin Zhou , Wan-Li Yang , Jun-Hong An

We investigate the charging process of quantum battery (QB) systems in an extended Dicke model with both atomic interactions and an external driving field. We focus on the effects of the atomic interaction and the external driving field on…

Quantum Physics · Physics 2022-06-22 Fu-Quan Dou , You-Qi Lu , Yuan-Jin Wang , Jian-An Sun

We explore a protocol that efficiently charges multiple open quantum batteries in parallel using a single charger. This protocol shows super-extensive charging through collective coupling of the charger and the battery to the same thermal…

Quantum Physics · Physics 2024-10-28 Josephine Dias , Hui Wang , Kae Nemoto , Franco Nori , William J. Munro

Achieving rapid and stable energy storage in quantum batteries (QBs) remains a key challenge, particularly under strong system-environment coupling where non-Markovian effects become prominent. While most previous studies focus on weak…

Quantum Physics · Physics 2026-04-30 Shun-Cai Zhao , Yi-Fan Yang , Ni-Ya Zhuang

Energy can be stored in quantum batteries by electromagnetic fields as chargers. In this paper, the performance of a quantum battery with single and double chargers is studied. It is shown that by using two independent charging fields,…

Quantum Physics · Physics 2022-12-21 Mohammad B. Arjmandi , Abbas Shokri , Esfandyar Faizi , Hamidreza Mohammadi

We consider the dissipative charging process of quantum batteries in terms of a collisional model, where the batteries are coupled to a heat bath using non-energy preserving interactions. First, we show that for low temperatures the…

Quantum Physics · Physics 2022-06-07 Franco Mayo , Augusto J. Roncaglia