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12 November 2025 | Story Vuyelwa Nkoi | Photo Supplied
SDG Challenge
Interdisciplinary innovators from the Faculty of Natural and Agricultural Sciences – Njabulo Dlamini, Vuyelwa Nkoi, Hanipher Mili, Gugulethu Nhlapho, and Almaré de Bruin – winners of the 2025 SDG Challenge South Africa.

A dynamic team of students from the University of the Free State (UFS) has secured first place in the 2025 SDG Challenge South Africa – a prestigious competition that unites students and industry partners in addressing real-world issues aligned with the United Nations Sustainable Development Goals (UNSDGs). This outstanding achievement celebrates the creativity, collaboration, and strong commitment of UFS students to building a more sustainable and inclusive future.

Hosted by Soapbox South Africa, the SDG Challenge pairs student teams with industry experts to co-design practical solutions to pressing societal needs. Competing against leading institutions – including the University of Pretoria, University of Zululand, University of Johannesburg, the University of the Witwatersrand, and the University of KwaZulu-Natal – the UFS students distinguished themselves with a community-driven, scalable approach.

The winning UFS team consisted of Almaré de Bruin, Njabulo Dlamini, and Vuyelwa Nkoi from the Department of Sustainable Food Systems and Development, as well as Hanipher Mili and Gugulethu Nhlapho from the Department of Agricultural Economics – reflecting a powerful interdisciplinary collaboration.

 

Innovative Agrihub solution for community sustainability

Partnering with Ivanplats mine, the students developed a holistic solution to reduce food insecurity and promote environmental sustainability in resource-limited communities in Mokopane.

Their innovative project, built around a WhatsApp-based Agrihub, enables agricultural knowledge sharing, market access, and community engagement. The solution included the following:

  • A WhatsApp Agrihub platform for real-time agricultural support
  • An Implementation Manual for community rollout
  • A low-cost irrigation prototype designed for small-scale gardens
  • A scalable model for replication in other communities
  • A final showcase presentation demonstrating its feasibility and long-term impact

To reduce surplus produce waste and create entrepreneurial opportunities, the team also produced value-added products – including pickled beetroot and carrot preserves – in the UFS food lab.

The Agrihub doubles as a community marketplace where residents can sell both fresh produce and recyclables. A R20 subscription fee supports local facilitators and content creators, promoting sustainability and community ownership.

Their project advances multiple UNSDGs, notably Zero Hunger, Responsible Consumption and Production, Climate Action, and Decent Work and Economic Growth.

“This victory is a testament to the calibre of our students and the mentorship they receive,” says Prof JW Swanepoel from the Department of Sustainable Food Systems and Development. “Their innovative thinking and commitment to real-world impact reflect the values of the University of the Free State.”

The UFS team’s success not only underscores their potential as emerging leaders in sustainability, but it also affirms the university’s growing role in driving development and resilience across African communities.

News Archive

Lithium-ion batteries research set to improve ordinary lives
2016-02-11

Description: Dr Lehlohonolo Koao  Tags: Dr Lehlohonolo Koao

Dr Koao is making a much-needed contribution in improving lives of ordinary people through his research on lithium-ion batteries.

The future of relevant and top-notch scientific research at the Qwaqwa Campus is in good hands. Dr Lehlohonolo Koao is one of the five members of the Vice-Chancellor’s Prestige Scholars Programme (PSP) on the Qwaqwa Campus.

The need to improve the efficiency of heating mechanisms in his immediate community in Qwaqwa, and the support he receives from the PSP, have become catalysts for his current research project on lithium-ion batteries. According to Dr Koao, the study will focus on producing batteries that last longer, store more energy, are cheaper to manufacture, and are environmentally friendly when being disposed of. These are key factors in solar energy.

‘’The majority of households in my neighbourhood have benefited from the government’s project of providing households with solar panels to help with lighting, cooking, and heating without worrying about the ever-increasing electricity costs,’’ said Dr Koao.

‘’Since my arrival in the area, I have realized that the heat absorption rate of the batteries used by solar panels is not enough. As a result, these batteries also lack enough power to sustain the supply throughout the day, especially on a cloudy day,’’ he said.

His research project focuses on improving the efficiency of lithium-ion batteries that are now commonly used in portable electronics, such as cell phones and laptops. This kind of battery is rapidly replacing the usual lead-acid batteries. Dr Koao’s determination to contribute towards a safer and more efficient heating absorption system has made him move away completely from his PhD study on lighting material.

‘’My previous study was on reducing the power usage on domestic and industrial lights as they use more electricity. This study, on the other hand, will enhance power retention in the batteries for improved daily life since cell phones, solar panels, and laptops, to mention only a few, are now a way of life,’’ he added.

Dr Koao is a Senior Lecturer in the Department of Physics, where he specializes in solid state materials.

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