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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">vestift</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Национальной академии наук Беларуси. Серия физико-технических наук</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the National Academy of Sciences of Belarus. Physical-technical series</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-8358</issn><issn pub-type="epub">2524-244X</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29235/1561-8358-2021-66-3-280-287</article-id><article-id custom-type="elpub" pub-id-type="custom">vestift-679</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>МАТЕРИАЛОВЕДЕНИЕ, МЕТАЛЛУРГИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MATERIALS SCIENCES AND ENGINEERING, METALLURGY</subject></subj-group></article-categories><title-group><article-title>Токопроводящие материалы для соединительных шин многоэлементных аккумуляторных тяговых батарей</article-title><trans-title-group xml:lang="en"><trans-title>Conductive materials for connecting tires of multi-element accumulator traction batteries</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Зеленин</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Zelenin</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Зеленин Виктор Алексеевич – доктор технических наук, главный научный сотрудник</p><p>ул. Академика Купревича, 10, 220141, Минск</p></bio><bio xml:lang="en"><p>Victor A. Zelenin – D. Sc. (Engineering), Chief Researcher</p><p>10, Academician Kuprevich Str., 220141</p></bio><email xlink:type="simple">vazelenin@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Волочко</surname><given-names>А. Т.</given-names></name><name name-style="western" xml:lang="en"><surname>Volochko</surname><given-names>A. T.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Волочко Александр Тихонович – доктор технических наук, профессор, начальник отдела</p><p>ул. Академика Купревича, 10, 220141, Минск</p></bio><bio xml:lang="en"><p>Alexander T. Volochko – D. Sc. (Engineering), Professor, Head of the Department</p><p>10, Academician Kuprevich Str., 220141</p></bio><email xlink:type="simple">volochkoat@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Патоцкий</surname><given-names>Д. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Patotsky</surname><given-names>D. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Патоцкий Денис Анатольевич – генеральный директор</p><p>ул. Ф. Скорины, 52, 220141, Минск</p></bio><bio xml:lang="en"><p>Denis A. Patotsky – Director</p><p>52, F. Skorina Str., 220141, Minsk</p></bio><email xlink:type="simple">com@optron.by</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Янкевич</surname><given-names>С. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Yankovich</surname><given-names>S. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Янкевич Степан Николаевич – начальник научно-исследовательского отдела</p><p>ул. Ф. Скорины, 52, 220141, Минск</p></bio><bio xml:lang="en"><p>Stsiapan N. Yankevich – Head of the Scientiﬁc Department</p><p>52, F. Skorina Str., 220141, Minsk</p></bio><email xlink:type="simple">nio@optron.by</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хроль</surname><given-names>И. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Khrol</surname><given-names>I. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Хроль Игорь Николаевич – младший научный сотрудник</p><p>ул. Ф. Скорины, 52, 220141, Минск</p></bio><bio xml:lang="en"><p>Igor N. Khrol – Junior Researcher</p><p>52, F. Skorina Str., 220141, Minsk</p></bio><email xlink:type="simple">igor_aspirant_fmm@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Подорожняя</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Podorozhniaya</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Подорожняя Ирина Викторовна – младший научный сотрудник</p><p>ул. Ф. Скорины, 52, 220141, Минск</p></bio><bio xml:lang="en"><p>Irina V. Podorozhniaya – Junior Researcher</p><p>52, F. Skorina Str., 220141, Minsk</p></bio><email xlink:type="simple">iaya@tut.by</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Физико-технический институт Национальной академии наук Беларуси</institution></aff><aff xml:lang="en"><institution>Physical-Technical Institute of the National Academy of Sciences of Belarus</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ОАО «Приборостроительный завод «Оптрон»</institution></aff><aff xml:lang="en"><institution>JSC “Instrument-Making Plant “Optron”</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>08</day><month>10</month><year>2021</year></pub-date><volume>66</volume><issue>3</issue><fpage>280</fpage><lpage>287</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Зеленин В.А., Волочко А.Т., Патоцкий Д.А., Янкевич С.Н., Хроль И.Н., Подорожняя И.В., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Зеленин В.А., Волочко А.Т., Патоцкий Д.А., Янкевич С.Н., Хроль И.Н., Подорожняя И.В.</copyright-holder><copyright-holder xml:lang="en">Zelenin V.A., Volochko A.T., Patotsky D.A., Yankovich S.N., Khrol I.N., Podorozhniaya I.V.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://vestift.belnauka.by/jour/article/view/679">https://vestift.belnauka.by/jour/article/view/679</self-uri><abstract><p>Рассмотрены вопросы выбора материалов для соединительных шин тяговых батарей (ТБ). Экспериментально установлены оптимальные параметры их точечной сварки с элементами питания: первый импульс с силой тока 7 кА длительностью 1 мс, перерыв между импульсами 1 мс, второй импульс с силой тока 7 кА длительностью 2 мс. При работе ТБ на электротранспорте сопротивление соединительных шин не должно приводить к нагреву элементов питания во избежание перегрева выше 60 °С. В большинстве современных ТБ, состоящих из литий-ионных элементов, для соединения используется никелевая лента. Для обеспечения свариваемости материалов (медь–никель или никель–никель) важно, чтобы при краткосрочном импульсе тока в зоне сварки была достигнута рабочая температура. Один из вариантов решения данной задачи – это нанесение металлического покрытия. Проведены эксперименты по свариваемости различных материалов, в том числе с нанесенными покрытиями. Наилучшие результаты по свариваемости показала шина из луженой меди, которую приваривали к никелевым пластинам, эмитирующим корпус элемента питания. Проведены испытания на разрыв сваренных образцов. Предел прочности на разрыв исходных шин меди составил 340–450 МПа. При сваривании пластин медь–никель и медь (луженая) – никель показатели предела прочности достигли 70 % от прочности исходной медной пластины. На основании полученных экспериментальных данных изготовлена опытная партия аккумуляторных ТБ, которая успешно прошла испытания на соответствие техническим требованиям по прочности и величине переходных сопротивлений сварных соединений соединительных шин с элементами питания.</p></abstract><trans-abstract xml:lang="en"><p>The article deals with the choice of materials for connecting tires of traction batteries (TB). The optimal parameters of their spot welding with batteries are experimentally established (the ﬁrst pulse with a current of 7 kA duration of 1 ms, the break between the pulses of 1 ms, the second pulse with a current of 7 kA duration of 2 ms). When operating the traction battery on electric vehicles, the resistance of the connecting tires should not lead to heating of the batteries in order to avoid overheating above 60 °C. In most modern TB, consisting of Li-ion elements, a nickel tape is used for the connection. To ensure the weldability of materials (copper–nickel or nickel–nickel), it is important that the operating temperature is reached at a short-term current pulse in the welding zone. One of the solutions to this problem is the application of a metal coating. Experiments were conducted on the weldability of various materials, including those with applied coatings. The best results in weldability were shown by tires made of tinned copper, which was welded to nickel plates (emitting the battery body). Tear tests of the welded samples were carried out. The tensile strength of the original copper tires was 340–450 MPa. When welding copper–nickel and copper(tinned) – nickel plates, the strength limit values reach 70 % of the strength of the original copper plate. On the basis of the obtained experimental data, a pilot batch of battery TB was manufactured, which successfully passed tests for compliance with the technical requirements for the strength and the value of the transition resistances of the welded joints of connecting buses with batteries.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>электрическое транспортное средство</kwd><kwd>аккумуляторная батарея</kwd><kwd>элементы питания</kwd><kwd>точечная сварка</kwd><kwd>соединительные шины</kwd></kwd-group><kwd-group xml:lang="en"><kwd>electric vehicle</kwd><kwd>battery</kwd><kwd>batteries</kwd><kwd>spot welding</kwd><kwd>connecting tires</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при финансовой поддержке БРФФИ, проект Т21ЭТ-019.</funding-statement><funding-statement xml:lang="en">This work was supported by the BRFFR, project T21ET-019.</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Николаев, А. 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