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2025, Volume 51,  Issue 8

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Volume 51 Issue82025
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Technical difficulties and development trend of near-space airship’s power system
XU Guoning, ZHANG Yanlei, CHEN Kang, HUANG Tingshuang, KONG Hua, JIAO Bin
2025, 51(8): 2573-2586. doi: 10.13700/j.bh.1001-5965.2024.0866
Abstract:

The near-space airship holds significant promise for applications in communication networks and emergency rescue operations due to its remarkable advantages of extended flight duration, substantial payload capacity, and low operation and maintenance expenses. Its power system is composed of solar ce...

Effect pattern of multiple factors on output performance of solar array for stratospheric airships
YANG Xixiang, HOU Zhongxi, HAN Yu, YANG Yang
2025, 51(8): 2587-2593. doi: 10.13700/j.bh.1001-5965.2022.0651
Abstract:

Solar array is a key subsystem for stratospheric airships to achieve long-endurance station-keeping. A curved surface paving model for solar arrays was established, and a high-precision calculation method for the output performance of solar arrays was proposed. The effect patterns of multiple factor...

Research progress on flexible perovskite solar cells
ZHAO Zhengjing, CAI Zihe, ZHANG Yun, QIN Xiaojun, ZHAO Dongming, ZHAO Zhiguo
2025, 51(8): 2594-2604. doi: 10.13700/j.bh.1001-5965.2022.0839
Abstract:

In recent years, perovskite solar cells (PSCs) have attracted widespread attention owing to their excellent photoelectric conversion efficiency, low cost, low material usage, flexible processing, and other characteristics. Based on this, among the flexible solar cells, flexible perovskite solar cell...

Exploration of large-area organic solar cells in space applications
ZHANG Jianqi, TIAN Chenyang, WEI Zhixiang
2025, 51(8): 2605-2614. doi: 10.13700/j.bh.1001-5965.2022.0966
Abstract:

Organic solar cells (OSCs) are emerging as a promising candidate for space applications due to their low cost, lightweight flexibility, and printable fabrication. Small-area single-junction OSCs have achieved power conversion efficiency (PCE) exceeding 19%, demonstrating a specific power significant...

Energy influence of stages in cruise profile for near space solar powered unmanned aerial vehicles
DENG Xiaolong, GAO Xianzhong, YANG Minsheng, WANG Yujie, ZHU Bingjie
2025, 51(8): 2615-2623. doi: 10.13700/j.bh.1001-5965.2022.0789
Abstract:

The diurnal energy balance is one of the most important factors for near-space solar-powered unmanned aerial vehicle (UAV) to perform high-altitude long-duration missions. To achieve this goal, the design of a reasonable cruise flight profile is significant. In this work, the energy supplying modes ...

Energy management of solar-powered UAV based on energy closed loop
HU Yanpeng, GUO Jin, ZHOU Meng, WANG Xiangyu
2025, 51(8): 2624-2631. doi: 10.13700/j.bh.1001-5965.2022.0749
Abstract:

As a newly recognized domain of geospace and an important area for national security, near space has gradually attracted the attention of major countries worldwide. Solar-powered UAVs in near space have become a research hotspot in aerospace technology. However, in conventional designs, energy, powe...

Progress in experimental research on flexible solar cells for near space application
WANG Hui, ZHANG Chunfu, CAO Yuexian, JIANG Xiao, ZHENG Dexu, YANG Qi
2025, 51(8): 2632-2641. doi: 10.13700/j.bh.1001-5965.2022.0949
Abstract:

Solar cells are an ideal power supply solution for near-space flight platforms. Flexible solar cells, particularly, have attracted increasing attention due to their high specific power. In this paper, the influence of different types of solar cell module encapsulation materials on the areal density ...

Flexible crystalline silicon heterojunction solar cells for near-space applications
ZHAO Wenjie, HAN Anjun, MENG Fanying, HU Wentao, XU Guoning, LIU Zhengxin
2025, 51(8): 2642-2651. doi: 10.13700/j.bh.1001-5965.2022.1001
Abstract:

Aiming at the urgent demand for energy-system for high-altitude spacecraft in near-space, an ultra-thin flexible silicon heterojunction (SHJ) solar cell with a thickness of less than 100 μm was developed based on the double-sided symmetrical structure and the characteristics of the low-temperature p...

A high gain DC-DC converter based on switched capacitor and coupled inductor voltage multiplier unit
XIONG Zhenyang, YIN Jingyuan, HUO Qunhai, HAN Libo, WEI Tongzhen
2025, 51(8): 2652-2662. doi: 10.13700/j.bh.1001-5965.2024.0838
Abstract:

This paper addresses the low port voltage of the photovoltaic array in laser wireless power technology, which requires high-gain DC-DC converters for voltage boosting. The first is a new high-gain DC-DC converter that uses a triple-winding coupled inductor voltage multiplier unit with switching capa...

Overall and energy efficiency optimization for communication-oriented morphing solar-powered UAV
LI Zirong, YANG Yanping, ZHANG Zijian, MA Xiaoping
2025, 51(8): 2663-2673. doi: 10.13700/j.bh.1001-5965.2022.0254
Abstract:

The high-altitude solar-powered unmanned aerial vehicle (SPUAV) offers incomparable advantages compared to other platforms, especially in enhancing aerial base stations, extending coverage to remote regions, supporting disaster response, and providing relay communication. However, the design feasibl...

Series-parallel topology of reconfigurable battery pack based on hybrid switching devices
YE Zeyu, YIN Jingyuan, ZHANG Tongshuo, SHI Changli, WEI Tongzhen
2025, 51(8): 2674-2684. doi: 10.13700/j.bh.1001-5965.2022.0855
Abstract:

Near-space vehicles require battery packs composed of a large number of cells connected in series and parallel. The failure of battery cells can seriously affect the performance of the battery pack and may cause the propagation of the failure. By configuring power electronic switches in the battery ...

Advanced perovskite photovoltaic technology for space applications
ZHOU Bin, QU Duo, YANG Xiaoyu, KONG Hua, TU Yongguang, XU Guoning
2025, 51(8): 2685-2700. doi: 10.13700/j.bh.1001-5965.2022.0938
Abstract:

Metal halide perovskite-type semiconductors have received extensive attention in the photovoltaic field due to their low cost and excellent performance. Perovskite solar cells have gradually become a new generation of photovoltaic technology for space/near-space applications due to their high photoe...

Stability analysis of stratospheric airship energy system
GAO Yang, XU Guoning, WANG Sheng, LI Yongxiang, CAI Rong, YANG Yanchu
2025, 51(8): 2701-2715. doi: 10.13700/j.bh.1001-5965.2023.0020
Abstract:

For the long-endurance stratospheric airship to operate safely and dependably, the energy system’s stability is crucial. The stability issue is particularly noticeable for energy systems with several buses and converters connected in series and parallel. In order to establish a semi-regulated busbar...

Review of low-temperature electrolyte of lithium-ion batteries for near space vehicle
SU Fangyuan, SONG Ge, WANG Zhenbing, CHEN Chengmeng
2025, 51(8): 2716-2726. doi: 10.13700/j.bh.1001-5965.2023.0052
Abstract:

Higher demands have been placed on the power system of near-space missions due to the low-temperature environment. Lithium-ion batteries (LIBs), the primary power source for space systems, have significant technical obstacles to normal operation in harsh environments due to their rapid capacity dete...

Uncertainty of solar cell calibration using a high-altitude balloon
ZHUANG Chunyu, XU Guoning, LI Zhaojie, TANG Yu, LI Yongxiang, WANG Yanqing
2025, 51(8): 2727-2734. doi: 10.13700/j.bh.1001-5965.2022.0241
Abstract:

By considering that a spectral and radiation environment similar to space can be obtained at an altitude of 35 km and above, as well as the convenience, economy, and accuracy of solar cell calibration using high-altitude balloons, a high-altitude balloon calibration method for solar cells at 35 km a...

Three-dimensional complete coverage flight path planning for high-altitude long-endurance solar-powered UAV
WANG Qian, WANG Xiangyu, JIAO Jun, ZHANG Zijian, ZHANG Jian
2025, 51(8): 2735-2747. doi: 10.13700/j.bh.1001-5965.2022.0748
Abstract:

Near-space solar-powered UAVs, characterized by their ultra-long endurance, can effectively solve the issue of insufficient endurance faced by traditional UAVs during missions. This paper proposed a three-dimensional (3D) path planning method for solar-powered UAVs based on “point to surface” covera...

Lithium metal electrode based on Au-modified CuO/CF nanoarray
LI Shurui, XIONG Gangyi, XING Yalan, ZHANG Shichao
2025, 51(8): 2748-2756. doi: 10.13700/j.bh.1001-5965.2022.0958
Abstract:

With the growing strategic position of near-space vehicles, the demand for energy storage batteries with high power, high specific energy, and long cycle life has also increased. Lithium metal battery with ultra-high theoretical specific energy is a promising candidate for the next-generation energy...

Distributed solar cell generation analysis and system optimization for near space vehicles
CAI Peiyuan, XU Guoning, KE Zhijie, ZHANG Yanlei, YANG Yanchu, CAI Rong
2025, 51(8): 2757-2766. doi: 10.13700/j.bh.1001-5965.2023.0652
Abstract:

The form of energy for long-duration vehicles in near space generally adopts a photovoltaic power generation system, and the solar cells are laid on the upper surface of the vehicle. Because of the vehicle's shape and limitations, the solar cells are dispersed across curved surfaces with varying irr...

Analysis and mitigation of spherical reflection effects on solar cell calibration using high-altitude balloons
ZHANG Yiqing, HUANG Tingshuang, LI Yongxiang, YANG Yanchu, XU Guoning
2025, 51(8): 2767-2775. doi: 10.13700/j.bh.1001-5965.2024.0772
Abstract:

Accurate calibration is becoming more and more necessary as high-altitude balloons are utilized more frequently for solar cell calibration. Conventional approaches produce calibration values that are roughly 5% higher than theoretical values because they only take into account direct sunlight precis...

Measurement methods for the critical bending radius of flexible solar cells
GAO Hongxin, ZHAO Shougen, ZHU Jialin, YU Yihao, ZHANG Zhen
2025, 51(8): 2776-2781. doi: 10.13700/j.bh.1001-5965.2024.0801
Abstract:

Flexible solar cells are becoming more widely acknowledged as essential elements for upcoming applications as space solar cell arrays move from rigid and semi-rigid structures to flexible designs with high packing ratios, less weight, and lower costs. The exact measurement of these cells’ essential ...

Optimization of multi-mission scheduling for swarm UAVs with charging platform
KE Zhijie, XU Guoning, CAI Rong, LI Yongxiang, YANG Yanchu
2025, 51(8): 2782-2791. doi: 10.13700/j.bh.1001-5965.2022.0414
Abstract:

The swarm unmanned aerial vehicles (UAVs), characterized by their large quantity, low cost, and unified scheduling, have broad application prospects. Unified scheduling is a focal point and challenge in swarm UAVs research, aiming to the optimal allocation of tasks and resources. Current scheduling ...

A non-resonant linear soft-switching DC-DC step-up conversion topology featuring current balancing for aerostat power systems
HU Xiaofei, LI Hong, ZENG Yangbin, SU Wenzhe, XU Guoning
2025, 51(8): 2792-2800. doi: 10.13700/j.bh.1001-5965.2022.1023
Abstract:

Applications for near-space aerostats are numerous and include scientific experiments, geological exploration, and communication support. The power conversion equipment in these systems must have characteristics like high efficiency, miniaturization, and lightweight construction because of their par...

Wireless charging coil location method of aircraft based on machine learning
YANG Shanghang, XU Guoning, JIA Zhongzhen, LI Yongxiang, ZHUANG Chunyu, YANG Yanchu
2025, 51(8): 2801-2811. doi: 10.13700/j.bh.1001-5965.2023.0006
Abstract:

Magnetically coupled resonant wireless power transfer technology is widely used in drone charging, where the positioning accuracy of charging coils directly affects charging efficiency. To address the limitation of existing methods that neglect angular misalignment of drones, this paper proposes a c...

Experimental investigation of overcharge caused sodium plating of hard carbon anodes for sodium-ion batteries
LIU Qianlei, DAI Liqin, YI Zonglin, SU Fangyuan, SUN Guohua, CHEN Chengmeng
2025, 51(8): 2812-2819. doi: 10.13700/j.bh.1001-5965.2023.0051
Abstract:

Sodium-ion batteries are strong candidates for secondary batteries for near-space vehicles. Although there aren’t many reports, the monitoring, failure, and mechanism of sodium plating in hard carbon anodes provide guidelines for the use and management of sodium-ion batteries. For this, a trustworth...

Model predictive control strategy for Buck-Boost converter of near-space aircraft
ZHAO Yuyu, WANG Baocheng, HUANG Tingshuang, JIA Zhongzhen, DU Xiaowei, XU Guoning
2025, 51(8): 2820-2828. doi: 10.13700/j.bh.1001-5965.2024.0860
Abstract:

The energy system of a near-space long-endurance aircraft mainly includes solar cells, energy storage batteries, energy controllers, and power distributors. The solar cells’ maximum power point tracking and energy storage battery charging are handled by the energy controller. The single boost or sin...